Microsoft Security Bulletin MS15-048 - Important
Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (3057134)
Published: May 12, 2015 | Updated: June 17, 2015
Version: 1.1
Executive Summary
This security update resolves vulnerabilities in Microsoft .NET Framework. The most severe of the vulnerabilities could allow elevation of privilege if a user installs a specially crafted partial trust application.
This security update is rated Important for Microsoft .NET Framework 1.1 Service Pack 1, Microsoft .NET Framework 2.0 Service Pack 2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4, Microsoft .NET Framework 4.5, Microsoft .NET Framework 4.5.1, and Microsoft .NET Framework 4.5.2 on affected releases of Microsoft Windows. For more information, see the Affected Software section.
The security updates address the vulnerabilities by correcting how .NET Framework decrypts XML data and handles objects in memory. For more information about the vulnerability, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability.
For more information about this update, see Microsoft Knowledge Base Article 3057134.
Affected Software
The following software versions or editions are affected. Versions or editions that are not listed are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, see Microsoft Support Lifecycle.
| Operating System | Component | Maximum Security Impact | Aggregate Severity Rating | Updates Replaced |
|---|---|---|---|---|
| Windows Server 2003 | ||||
| Windows Server 2003 Service Pack 2 | Microsoft .NET Framework 1.1 Service Pack 1 (3023211) | Elevation of Privilege | Important | 2898860 in MS14-009 |
| Windows Server 2003 Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3023220) | Elevation of Privilege | Important | 2789643 in MS13-015, 2656369 in MS12-025 |
| Windows Server 2003 Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3035488) | Denial of Service | Important | 2863239 in MS13-082, 2804577 in MS13-040 |
| Windows Server 2003 Service Pack 2 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Server 2003 Service Pack 2 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows Server 2003 x64 Edition Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3023220) | Elevation of Privilege | Important | 2789643 in MS13-015, 2656369 in MS12-025 |
| Windows Server 2003 x64 Edition Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3035488) | Denial of Service | Important | 2863239 in MS13-082, 2804577 in MS13-040 |
| Windows Server 2003 x64 Edition Service Pack 2 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Server 2003 x64 Edition Service Pack 2 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows Server 2003 with SP2 for Itanium-based Systems | Microsoft .NET Framework 2.0 Service Pack 2 (3023220) | Elevation of Privilege | Important | 2789643 in MS13-015, 2656369 in MS12-025 |
| Windows Server 2003 with SP2 for Itanium-based Systems | Microsoft .NET Framework 2.0 Service Pack 2 (3035488) | Denial of Service | Important | 2863239 in MS13-082, 2804577 in MS13-040 |
| Windows Server 2003 with SP2 for Itanium-based Systems | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Server 2003 with SP2 for Itanium-based Systems | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows Vista | ||||
| Windows Vista Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3023213) | Elevation of Privilege | Important | 2789646 in MS13-015, 2656374 in MS12-025 |
| Windows Vista Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3035485) | Denial of Service | Important | 2863253 in MS13-082, 2804580 in MS13-040 |
| Windows Vista Service Pack 2 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Vista Service Pack 2 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows Vista Service Pack 2 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023224) | Elevation of Privilege | Important | 2789648 in MS13-015 |
| Windows Vista Service Pack 2 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035490) | Denial of Service | Important | None |
| Windows Vista x64 Edition Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3023213) | Elevation of Privilege | Important | 2789646 in MS13-015, 2656374 in MS12-025 |
| Windows Vista x64 Edition Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3035485) | Denial of Service | Important | 2863253 in MS13-082, 2804580 in MS13-040 |
| Windows Vista x64 Edition Service Pack 2 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Vista x64 Edition Service Pack 2 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows Vista x64 Edition Service Pack 2 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023224) | Elevation of Privilege | Important | 2789648 in MS13-015 |
| Windows Vista x64 Edition Service Pack 2 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035490) | Denial of Service | Important | None |
| Windows Server 2008 | ||||
| Windows Server 2008 for 32-bit Systems Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3023213) | Elevation of Privilege | Important | 2789646 in MS13-015, 2656374 in MS12-025 |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3035485) | Denial of Service | Important | 2863253 in MS13-082, 2804580 in MS13-040 |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023224) | Elevation of Privilege | Important | 2789648 in MS13-015 |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035490) | Denial of Service | Important | None |
| Windows Server 2008 for x64-based Systems Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3023213) | Elevation of Privilege | Important | 2789646 in MS13-015, 2656374 in MS12-025 |
| Windows Server 2008 for x64-based Systems Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3035485) | Denial of Service | Important | 2863253 in MS13-082, 2804580 in MS13-040 |
| Windows Server 2008 for x64-based Systems Service Pack 2 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Server 2008 for x64-based Systems Service Pack 2 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows Server 2008 for x64-based Systems Service Pack 2 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023224) | Elevation of Privilege | Important | 2789648 in MS13-015 |
| Windows Server 2008 for x64-based Systems Service Pack 2 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035490) | Denial of Service | Important | None |
| Windows Server 2008 for Itanium-based Systems Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3023213) | Elevation of Privilege | Important | 2789646 in MS13-015, 2656374 in MS12-025 |
| Windows Server 2008 for Itanium-based Systems Service Pack 2 | Microsoft .NET Framework 2.0 Service Pack 2 (3035485) | Denial of Service | Important | 2863253 in MS13-082, 2804580 in MS13-040 |
| Windows Server 2008 for Itanium-based Systems Service Pack 2 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Server 2008 for Itanium-based Systems Service Pack 2 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows 7 | ||||
| Windows 7 for 32-bit Systems Service Pack 1 | Microsoft .NET Framework 3.5.1 (3023215) | Elevation of Privilege | Important | 2686831 in MS12-038, 2656373 in MS12-025 |
| Windows 7 for 32-bit Systems Service Pack 1 | Microsoft .NET Framework 3.5.1 (3032655) | Denial of Service | Important | 2863240 in MS13-082, 2804579 in MS13-040 |
| Windows 7 for 32-bit Systems Service Pack 1 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows 7 for 32-bit Systems Service Pack 1 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows 7 for 32-bit Systems Service Pack 1 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023224) | Elevation of Privilege | Important | 2789648 in MS13-015 |
| Windows 7 for 32-bit Systems Service Pack 1 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035490) | Denial of Service | Important | None |
| Windows 7 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 3.5.1 (3023215) | Elevation of Privilege | Important | 2686831 in MS12-038, 2656373 in MS12-025 |
| Windows 7 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 3.5.1 (3032655) | Denial of Service | Important | 2863240 in MS13-082, 2804579 in MS13-040 |
| Windows 7 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows 7 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows 7 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023224) | Elevation of Privilege | Important | 2789648 in MS13-015 |
| Windows 7 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035490) | Denial of Service | Important | None |
| Windows Server 2008 R2 | ||||
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 3.5.1 (3023215) | Elevation of Privilege | Important | 2686831 in MS12-038, 2656373 in MS12-025 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 3.5.1 (3032655) | Denial of Service | Important | 2863240 in MS13-082, 2804579 in MS13-040 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023224) | Elevation of Privilege | Important | 2789648 in MS13-015 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035490) | Denial of Service | Important | None |
| Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 | Microsoft .NET Framework 3.5.1 (3023215) | Elevation of Privilege | Important | 2686831 in MS12-038, 2656373 in MS12-025 |
| Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 | Microsoft .NET Framework 3.5.1 (3032655) | Denial of Service | Important | 2863240 in MS13-082, 2804579 in MS13-040 |
| Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows 8 and Windows 8.1 | ||||
| Windows 8 for 32-bit Systems | Microsoft .NET Framework 3.5 (3023217) | Elevation of Privilege | Important | 2789650 in MS13-015 |
| Windows 8 for 32-bit Systems | Microsoft .NET Framework 3.5 (3035486) | Denial of Service | Important | 2863243 in MS13-082, 2804584 in MS13-040 |
| Windows 8 for 32-bit Systems | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023223) | Elevation of Privilege | Important | 2789649 in MS13-015 |
| Windows 8 for 32-bit Systems | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035489) | Denial of Service | Important | None |
| Windows 8 for x64-based Systems | Microsoft .NET Framework 3.5 (3023217) | Elevation of Privilege | Important | 2789650 in MS13-015 |
| Windows 8 for x64-based Systems | Microsoft .NET Framework 3.5 (3035486) | Denial of Service | Important | 2863243 in MS13-082, 2804584 in MS13-040 |
| Windows 8 for x64-based Systems | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023223) | Elevation of Privilege | Important | 2789649 in MS13-015 |
| Windows 8 for x64-based Systems | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035489) | Denial of Service | Important | None |
| Windows 8.1 for 32-bit Systems | Microsoft .NET Framework 3.5 (3023219) | Elevation of Privilege | Important | None |
| Windows 8.1 for 32-bit Systems | Microsoft .NET Framework 3.5 (3035487) | Denial of Service | Important | None |
| Windows 8.1 for 32-bit Systems | Microsoft .NET Framework 4.5.1/4.5.2 (3023222) | Elevation of Privilege | Important | None |
| Windows 8.1 for 32-bit Systems | Microsoft .NET Framework 4.5.1/4.5.2 (3032663) | Denial of Service | Important | None |
| Windows 8.1 for x64-based Systems | Microsoft .NET Framework 3.5 (3023219) | Elevation of Privilege | Important | None |
| Windows 8.1 for x64-based Systems | Microsoft .NET Framework 3.5 (3035487) | Denial of Service | Important | None |
| Windows 8.1 for x64-based Systems | Microsoft .NET Framework 4.5.1/4.5.2 (3023222) | Elevation of Privilege | Important | None |
| Windows 8.1 for x64-based Systems | Microsoft .NET Framework 4.5.1/4.5.2 (3032663) | Denial of Service | Important | None |
| Windows Server 2012 and Windows Server 2012 R2 | ||||
| Windows Server 2012 | Microsoft .NET Framework 3.5 (3023217) | Elevation of Privilege | Important | 2789650 in MS13-015 |
| Windows Server 2012 | Microsoft .NET Framework 3.5 (3035486) | Denial of Service | Important | 2863243 in MS13-082, 2804584 in MS13-040 |
| Windows Server 2012 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023223) | Elevation of Privilege | Important | 2789649 in MS13-015 |
| Windows Server 2012 | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035489) | Denial of Service | Important | None |
| Windows Server 2012 R2 | Microsoft .NET Framework 3.5 (3023219) | Elevation of Privilege | Important | None |
| Windows Server 2012 R2 | Microsoft .NET Framework 3.5 (3035487) | Denial of Service | Important | None |
| Windows Server 2012 R2 | Microsoft .NET Framework 4.5.1/4.5.2 (3023222) | Elevation of Privilege | Important | None |
| Windows Server 2012 R2 | Microsoft .NET Framework 4.5.1/4.5.2 (3032663) | Denial of Service | Important | None |
| Windows RT and Windows RT 8.1 | ||||
| Windows RT | Microsoft .NET Framework 4.5/4.5.1/4.5.2[2](3023223) | Elevation of Privilege | Important | 2789649 in MS13-015 |
| Windows RT | Microsoft .NET Framework 4.5/4.5.1/4.5.2[2](3035489) | Denial of Service | Important | None |
| Windows RT 8.1 | Microsoft .NET Framework 4.5.1/4.5.2[2](3023222) | Elevation of Privilege | Important | None |
| Windows RT 8.1 | Microsoft .NET Framework 4.5.1/4.5.2[2](3032663) | Denial of Service | Important | None |
| Server Core installation option | ||||
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | Microsoft .NET Framework 3.5.1 (3023215) | Elevation of Privilege | Important | 2686831 in MS12-038, 2656373 in MS12-025 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | Microsoft .NET Framework 3.5.1 (3032655) | Denial of Service | Important | 2863240 in MS13-082, 2804579 in MS13-040 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | Microsoft .NET Framework 4[1](3023221) | Elevation of Privilege | Important | 2789642 in MS13-015 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | Microsoft .NET Framework 4[1](3032662) | Denial of Service | Important | 2804576 in MS13-040 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023224) | Elevation of Privilege | Important | 2789648 in MS13-015 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035490) | Denial of Service | Important | None |
| Windows Server 2012 (Server Core installation) | Microsoft .NET Framework 3.5 (3023217) | Elevation of Privilege | Important | 2789650 in MS13-015 |
| Windows Server 2012 (Server Core installation) | Microsoft .NET Framework 3.5 (3035486) | Denial of Service | Important | 2863243 in MS13-082, 2804584 in MS13-040 |
| Windows Server 2012 (Server Core installation) | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3023223) | Elevation of Privilege | Important | 2789649 in MS13-015 |
| Windows Server 2012 (Server Core installation) | Microsoft .NET Framework 4.5/4.5.1/4.5.2 (3035489) | Denial of Service | Important | None |
| Windows Server 2012 R2 (Server Core installation) | Microsoft .NET Framework 3.5 (3023219) | Elevation of Privilege | Important | None |
| Windows Server 2012 R2 (Server Core installation) | Microsoft .NET Framework 3.5 (3035487) | Denial of Service | Important | None |
| Windows Server 2012 R2 (Server Core installation) | Microsoft .NET Framework 4.5.1/4.5.2 (3023222) | Elevation of Privilege | Important | None |
| Windows Server 2012 R2 (Server Core installation) | Microsoft .NET Framework 4.5.1/4.5.2 (3032663) | Denial of Service | Important | None |
[1].NET Framework 4 and .NET Framework 4 Client Profile affected.
[2]This update is available via Windows Update only.
Update FAQ
Systems that run partially trusted .NET Framework applications are at risk from one of the vulnerabilities discussed in this bulletin (Windows Forms Elevation of Privilege Vulnerability - CVE-2015-1673). Where can I go for more information?
To learn more about code access security measures and best practices relating to partially trusted applications, see the following Microsoft Developer Network resources:
- Code Access Security
- Code Access Security Policy Compatibility and Migration
- How to: Run Partially Trusted Code in a Sandbox
How do I determine which version of Microsoft .NET Framework is installed?
You can install and run multiple versions of .NET Framework on a system, and you can install the versions in any order. For more information, see Microsoft Knowledge Base Article 318785.
What is the difference between .NET Framework 4 and .NET Framework 4 Client Profile?
The .NET Framework version 4 redistributable packages are available in two profiles: .NET Framework 4 and .NET Framework 4 Client Profile. The .NET Framework 4 Client Profile is a subset of the .NET Framework 4 profile that is optimized for client applications. It provides functionality for most client applications, including Windows Presentation Foundation (WPF), Windows Forms, Windows Communication Foundation (WCF), and ClickOnce features. This enables faster deployment and a smaller install package for applications that target the .NET Framework 4 Client Profile. For more information, see the MSDN article, .NET Framework Client Profile.
There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Affected Software table for the software?
Yes. Customers should apply all updates offered for the software installed on their systems.
Do I need to install these security updates in a particular sequence?
No. Multiple updates for a given system can be applied in any sequence.
Severity Ratings and Vulnerability Identifiers
The following severity ratings assume the potential maximum impact of the vulnerability. For information regarding the likelihood, within 30 days of this security bulletin's release, of the exploitability of the vulnerability in relation to its severity rating and security impact, please see the Exploitability Index in the May bulletin summary.
| Vulnerability Severity Rating and Maximum Security Impact by Affected Software | |||
|---|---|---|---|
| Affected Software | .NET XML Decryption Denial of Service Vulnerability - CVE-2015-1672 | Windows Forms Elevation of Privilege Vulnerability - CVE-2015-1673 | Aggregate Severity Rating |
| Microsoft .NET Framework 1.1 Service Pack 1 | |||
| Microsoft .NET Framework 1.1 Service Pack 1 on Microsoft Windows Server 2003 Service Pack 2 (3023211) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 | |||
| Microsoft .NET Framework 2.0 Service Pack 2 when installed on Microsoft Windows Server 2003 Service Pack 2 (3023220) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 when installed on Microsoft Windows Server 2003 Service Pack 2 (3035488) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 when installed on Microsoft Windows Server 2003 x64 Edition Service Pack 2 (3023220) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 when installed on Microsoft Windows Server 2003 x64 Edition Service Pack 2 (3035488) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 when installed on Microsoft Windows Server 2003 for Itanium-based Systems Service Pack 2 (3023220) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 when installed on Microsoft Windows Server 2003 for Itanium-based Systems Service Pack 2 (3035488) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Vista Service Pack 2 (3023213) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Vista Service Pack 2 (3035485) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Vista x64 Edition Service Pack 2 (3023213) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Vista x64 Edition Service Pack 2 (3035485) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 (3023213) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 (3035485) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 (3023213) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 (3035485) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 (3023213) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 (3035485) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5 | |||
| Microsoft .NET Framework 3.5 on Windows 8 for 32-bit Systems (3023217) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5 on Windows 8 for 32-bit Systems (3035486) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5 on Windows 8 for x64-based Systems (3023217) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5 on Windows 8 for x64-based Systems (3035486) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5 on Windows Server 2012 (3023217) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) (3023217) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5 on Windows Server 2012 (3035486) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) (3035486) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit Systems (3023219) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit Systems (3035487) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based Systems (3023219) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based Systems (3035487) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (3023219) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) (3023219) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (3035487) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) (3035487) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5.1 | |||
| Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 (3023215) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 (3032655) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 (3023215) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 (3032655) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (3023215) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (3023215) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (3032655) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (3032655) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 (3023215) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 (3032655) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 | |||
| Microsoft .NET Framework 4 when installed on Windows Server 2003 Service Pack 2 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2003 Service Pack 2 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2003 x64 Edition Service Pack 2 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2003 x64 Edition Service Pack 2 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2003 with SP2 for Itanium-based Systems (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2003 with SP2 for Itanium-based Systems (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 on Windows Vista Service Pack 2 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 on Windows Vista Service Pack 2 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 on Windows Vista x64 Edition Service Pack 2 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 on Windows Vista x64 Edition Service Pack 2 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 for 32-bit Systems Service Pack 2 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 for 32-bit Systems Service Pack 2 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 for x64-based Systems Service Pack 2 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 for x64-based Systems Service Pack 2 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 for Itanium-based Systems Service Pack 2 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 for Itanium-based Systems Service Pack 2 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 when installed on Windows 7 for 32-bit Systems Service Pack 1 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows 7 for 32-bit Systems Service Pack 1 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 when installed on Windows 7 for x64-based Systems Service Pack 1 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows 7 for x64-based Systems Service Pack 1 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 (3023221)[1] | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4 when installed on Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 (3032662)[1] | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 | |||
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Vista Service Pack 2 (3023224) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Vista Service Pack 2 (3035490) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Vista x64 Edition Service Pack 2 (3023224) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Vista x64 Edition Service Pack 2 (3035490) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Server 2008 for 32-bit Systems Service Pack 2 (3023224) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Server 2008 for 32-bit Systems Service Pack 2 (3035490) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4/4.5.1/4.5.2 when installed on Windows Server 2008 for x64-based Systems Service Pack 2 (3023224) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Server 2008 for x64-based Systems Service Pack 2 (3035490) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows 7 for 32-bit Systems Service Pack 1 (3023224) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows 7 for 32-bit Systems Service Pack 1 (3035490) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows 7 for x64-based Systems Service Pack 1 (3023224) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows 7 for x64-based Systems Service Pack 1 (3035490) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (3023224) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (3023224) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (3035490) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 when installed on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (3035490) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 on Windows 8 for 32-bit Systems (3023223) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 on Windows 8 for 32-bit Systems (3035489) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5.1/4.5.2 on Windows 8.1 for 32-bit Systems (3023222) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5.1/4.5.2 on Windows 8.1 for 32-bit Systems (3032663) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 on Windows 8 for x64-based Systems (3023223) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 on Windows 8 for x64-based Systems (3035489) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5.1/4.5.2 on Windows 8.1 for x64-based Systems (3023222) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5.1/4.5.2 on Windows 8.1 for x64-based Systems (3032663) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 on Windows Server 2012 (3023223) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 on Windows Server 2012 (Server Core installation) (3023223) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 on Windows Server 2012 (3035489) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 on Windows Server 2012 (Server Core installation) (3035489) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5.1/4.5.2 on Windows Server 2012 R2 (3023222) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5.1/4.5.2 on Windows Server 2012 R2 (Server Core installation) (3023222) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5.1/4.5.2 on Windows Server 2012 R2 (3032663) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5.1/4.5.2 on Windows Server 2012 R2 (Server Core installation) (3032663) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 on Windows RT (3023223) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5/4.5.1/4.5.2 on Windows RT (3035489) | Important Denial of Service | Not applicable | Important |
| Microsoft .NET Framework 4.5.1/4.5.2 on Windows RT 8.1 (3023222) | Not applicable | Important Elevation of Privilege | Important |
| Microsoft .NET Framework 4.5.1/4.5.2 on Windows RT 8.1 (3032663) | Important Denial of Service | Not applicable | Important |
[1].NET Framework 4 and .NET Framework 4 Client Profile affected.
Vulnerability Information
.NET XML Decryption Denial of Service Vulnerability - CVE-2015-1672
A denial of service vulnerability exists in Microsoft .NET Framework that could allow an unauthenticated attacker to degrade the performance of a .NET-enabled website and disrupt the availability of applications that use Microsoft .NET Framework. The vulnerability exists when Microsoft .NET Framework attempts to decrypt certain specially crafted XML data.
To exploit this vulnerability, an attacker could send specially crafted XML data to a .NET application with the intention of causing processing recursion that leads to the denial-of-service condition. Servers running affected versions of Microsoft .NET Framework are primarily at risk from this vulnerability. The update addresses the vulnerability by correcting how the .NET Framework decrypts XML data.
Microsoft received information about this vulnerability through coordinated vulnerability disclosure. When this security bulletin was issued, Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers.
Mitigating Factors
Microsoft has not identified any mitigating factors for this vulnerability.
Workarounds
Microsoft has not identified any workarounds for this vulnerability.
Windows Forms Elevation of Privilege Vulnerability - CVE-2015-1673
An elevation of privilege vulnerability exists in Microsoft .NET Framework that is caused when .NET’s Windows Forms (WinForms) libraries improperly handle objects in memory. An attacker who successfully exploited the vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
To exploit this vulnerability, an attacker could use social engineering tactics to lure a user into installing a specially crafted partial trust application. Workstations and servers that run partial-trust .NET Framework applications are primarily at risk from this vulnerability. The update addresses the vulnerability by correcting how .NET Framework handles objects in memory.
Microsoft received information about this vulnerability through coordinated vulnerability disclosure. When this security bulletin was issued, Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers.
Mitigating Factors
Microsoft has not identified any mitigating factors for this vulnerability.
Workarounds
Microsoft has not identified any workarounds for this vulnerability.
Security Update Deployment
For Security Update Deployment information see the Microsoft Knowledge Base article referenced in the Executive Summary.
Acknowledgments
Microsoft recognizes the efforts of those in the security community who help us protect customers through coordinated vulnerability disclosure. See Acknowledgments for more information.
Disclaimer
The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Revisions
- V1.0 (May 12, 2015): Bulletin published.
- V1.1 (June 17, 2015): Corrected bulletin replacement for the 3035488 update for .NET Framework 2.0 on all affected editions of Windows Server 2003 Service Pack 2.
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