Microsoft Windows Driver win32k.sys resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft Windows. This affects an unknown part of the file win32k.sys of the component Driver. Executing a manipulation can lead to resource management. This vulnerability is handled as CVE-2011-0662. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Microsoft Windows (Operating System) (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part of the file win32k.sys of the component Driver. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."

The weakness was released 04/12/2011 by Tarjei Mandt with Norman as MS11-034 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability was named CVE-2011-0662 since 01/28/2011. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 53391 (MS11-034: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2506223)), 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 90701 (Microsoft Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability (MS11-034)).

Upgrading eliminates this vulnerability. Applying the patch MS11-034 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 immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (66395), Tenable (53391), SecurityFocus (BID 47194†), OSVDB (71740†) and Secunia (SA44156†). Entries connected to this vulnerability are available at VDB-57112, VDB-57111, VDB-57110 and VDB-57109. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 53391
Nessus Name: MS11-034: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2506223)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900283
OpenVAS Name: Windows Kernel-Mode Drivers Privilege Elevation Vulnerabilities (2506223)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS11-034

Timelineinfo

01/28/2011 🔍
04/12/2011 +74 days 🔍
04/12/2011 +0 days 🔍
04/12/2011 +0 days 🔍
04/12/2011 +0 days 🔍
04/12/2011 +0 days 🔍
04/12/2011 +0 days 🔍
04/13/2011 +0 days 🔍
04/13/2011 +0 days 🔍
04/13/2011 +0 days 🔍
04/18/2011 +5 days 🔍
03/19/2021 +3623 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS11-034
Researcher: Tarjei Mandt
Organization: Norman
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0662 (🔍)
GCVE (CVE): GCVE-0-2011-0662
GCVE (VulDB): GCVE-100-4336

OVAL: 🔍

X-Force: 66395 - Microsoft Windows kernel-mode driver (win32k.sys) variant 1 privilege escalation, High Risk
SecurityFocus: 47194 - Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-0662) Local Privilege Escalation Vulnerability
Secunia: 44156 - Microsoft Windows win32k.sys Driver Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 71740 - Microsoft Windows win32k.sys Driver Use After Free Unspecified Local Privilege Escalation (2011-0662)
SecurityTracker: 1025345 - Windows Kernel win32k.sys Lets Local Users Gain Elevated Privileges
Vulnerability Center: 31024 - [MS11-034] Microsoft Windows Win32k Use After Free Local Privilege Escalation (CVE-2011-0662), High
Vupen: ADV-2011-0952

See also: 🔍

Entryinfo

Created: 04/18/2011 02:00
Updated: 03/19/2021 09:13
Changes: 04/18/2011 02:00 (92), 03/21/2017 10:04 (11), 03/19/2021 09:13 (3)
Complete: 🔍
Cache ID: 216:3CA:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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