Microsoft Windows 7/Server 2003/Server 2008/Vista/XP Driver win32k.sys GreEnableEUDC memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft Windows 7/Server 2003/Server 2008/Vista/XP and classified as problematic. The impacted element is the function GreEnableEUDC of the file win32k.sys of the component Driver. This manipulation causes memory corruption. This vulnerability is handled as CVE-2010-4398. The attack can be initiated remotely. Additionally, an exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Windows 7/Server 2003/Server 2008/Vista/XP (Operating System). Affected by this vulnerability is the function GreEnableEUDC of the file win32k.sys of the component Driver. 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 availability. The summary by CVE is:

Stack-based buffer overflow in the RtlQueryRegistryValues function in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows local users to gain privileges, and bypass the User Account Control (UAC) feature, via a crafted REG_BINARY value for a SystemDefaultEUDCFont registry key, aka "Driver Improper Interaction with Windows Kernel Vulnerability."

The weakness was released 11/26/2010 by noobpwnftw as MS11-011 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is known as CVE-2010-4398 since 12/03/2010. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a exploit are known.

It is declared as attacked. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 51911 (MS11-011: Vulnerabilities in Windows Kernel Could Allow Elevation of Privilege (2393802)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90659 (Microsoft Windows Kernel Elevation of Privilege Vulnerabilities (MS11-011)). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/28/2022 with a due date of 04/21/2022:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability. Applying the patch MS11-011 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (64927), Tenable (51911), SecurityFocus (BID 45045†), OSVDB (69501†) and Secunia (SA42356†). Entry connected to this vulnerability is available at VDB-56384. Be aware that VulDB is the high quality source for vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 51911
Nessus Name: MS11-011: Vulnerabilities in Windows Kernel Could Allow Elevation of Privilege (2393802)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 902337
OpenVAS Name: Microsoft Windows Kernel Elevation of Privilege Vulnerability (2393802)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Patch: MS11-011

Timelineinfo

11/26/2010 🔍
11/26/2010 +0 days 🔍
11/29/2010 +2 days 🔍
12/03/2010 +4 days 🔍
12/06/2010 +3 days 🔍
12/07/2010 +1 days 🔍
12/20/2010 +13 days 🔍
02/08/2011 +50 days 🔍
02/08/2011 +0 days 🔍
01/05/2025 +5080 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS11-011
Researcher: noobpwnftw
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-4398 (🔍)
GCVE (CVE): GCVE-0-2010-4398
GCVE (VulDB): GCVE-100-4231

OVAL: 🔍
IAVM: 🔍

CERT: 🔍
X-Force: 64927
SecurityFocus: 45045
Secunia: 42356 - Microsoft Windows Kernel Two Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 69501
SecurityTracker: 1025046
Vulnerability Center: 28527 - [MS11-011] Win32k.sys in Microsoft Windows Local Stack-Based Buffer Overflow Vulnerability, High

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 12/20/2010 01:00
Updated: 01/05/2025 22:31
Changes: 12/20/2010 01:00 (60), 08/19/2018 19:46 (30), 03/18/2021 15:13 (3), 03/18/2021 15:20 (7), 03/18/2021 15:26 (1), 04/24/2024 17:53 (26), 07/09/2024 21:26 (13), 09/09/2024 22:29 (1), 01/05/2025 22:31 (2)
Complete: 🔍
Cache ID: 216:F0E:103

Be aware that VulDB is the high quality source for vulnerability data.

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