Microsoft Windows 7/8/Server 2008/Server 2012 DirectX Graphics Kernel Subsystem memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

A vulnerability classified as problematic was found in Microsoft Windows 7/8/Server 2008/Server 2012 (Operating System). This vulnerability affects an unknown code of the component DirectX Graphics Kernel Subsystem. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

dxgkrnl.sys (aka the DirectX graphics kernel subsystem) in the kernel-mode drivers in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT does not properly handle objects in memory, which allows local users to gain privileges via a crafted application, aka "DirectX Graphics Kernel Subsystem Double Fetch Vulnerability."

The weakness was published 05/14/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as MS13-046 as confirmed bulletin (Microsoft Technet). The advisory is shared for download at technet.microsoft.com. The public release has been coordinated with the vendor. This vulnerability was named CVE-2013-1332 since 01/12/2013. The attack needs to be approached locally. A single authentication is needed for exploitation. Technical details are unknown but a private exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 66422 (MS13-046: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (2840221)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90887 (Microsoft Windows Kernel-Mode Driver Elevation of Privilege Vulnerabilities (MS13-046)).

Applying the patch MS13-046 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (66422). Additional details are provided at nakedsecurity.sophos.com. Similar entries are available at 8711, 8712, 8713 and 8714.

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CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.4
VulDB Temp Score: 3.9
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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Local: Yes
Remote: No

Availability: 🔍
Access: Private
Status: Unproven

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Nessus ID: 66422
Nessus Name: MS13-046: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (2840221)
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OpenVAS ID: 903208
OpenVAS Name: Microsoft Windows Kernel-Mode Drivers Privilege Elevation Vulnerabilities (2840221)
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Countermeasuresinfo

Recommended: Patch
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Patch: MS13-046

Timelineinfo

01/12/2013 🔍
05/14/2013 +121 days 🔍
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05/15/2013 +1 days 🔍
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05/16/2013 +1 days 🔍
05/11/2021 +2917 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS13-046
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-1332 (🔍)
OVAL: 🔍

Vulnerability Center: 39609 - [MS13-046] Microsoft Windows Vista, Server 2008, 7, 8 and Server 2012 DirectX Graphics Kernel Subsystem Double Fetch Vulnerability, High
SecurityFocus: 59749
Secunia: 53385 - Microsoft Windows Kernel Multiple Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 93318 - Microsoft Windows DirectX Graphics Kernel Subsystem (dxgkrnl.sys) Memory Object Handling Local Privilege Escalation

scip Labs: https://www.scip.ch/en/?labs.20140213
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Entryinfo

Created: 05/15/2013 16:37
Updated: 05/11/2021 14:13
Changes: 05/15/2013 16:37 (53), 04/07/2017 16:01 (26), 05/11/2021 14:11 (8), 05/11/2021 14:12 (2), 05/11/2021 14:13 (1)
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Cache ID: 3:143:103

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