Microsoft Windows input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability classified as critical was found in Microsoft Windows (Operating System) (affected version unknown). This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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, and R2, and Windows 7 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Win32k Window Class Pointer Confusion Vulnerability."

The weakness was released 02/08/2011 by Tarjei Mandt with Norman as MS11-012 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability was named CVE-2011-0088. The exploitation appears to be easy. Local access is required to approach this attack. The successful exploitation needs a single authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 51912 (MS11-012: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2479628)), 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 90682 (Microsoft Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability (MS11-012)).

Applying the patch MS11-012 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (64971) and Tenable (51912). Entries connected to this vulnerability are available at 4294, 56388, 56387 and 56385.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Nessus ID: 51912
Nessus Name: MS11-012: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2479628)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 901182
OpenVAS Name: Windows Kernel-Mode Drivers Privilege Elevation Vulnerabilities (2479628)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Patch: MS11-012

Timelineinfo

12/21/2010 🔍
02/08/2011 +49 days 🔍
02/08/2011 +0 days 🔍
02/08/2011 +0 days 🔍
02/08/2011 +0 days 🔍
02/08/2011 +0 days 🔍
02/09/2011 +1 days 🔍
02/09/2011 +0 days 🔍
03/20/2015 +1499 days 🔍
10/16/2021 +2402 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS11-012
Researcher: Tarjei Mandt
Organization: Norman
Status: Confirmed

CVE: CVE-2011-0088 (🔍)
OVAL: 🔍

X-Force: 64971
Vulnerability Center: 29659 - [MS11-012] win32k.sys in the Kernel-Mode Drivers in Microsoft Windows Local Privilege Escalation, High
SecurityFocus: 46147 - Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-0088) Local Privilege Escalation Vulnerability
Secunia: 43255
OSVDB: 70816 - Microsoft Windows Kernel Window Class Pointer Confusion Unspecified Local Privilege Escalation

See also: 🔍

Entryinfo

Created: 03/20/2015 16:16
Updated: 10/16/2021 07:11
Changes: 03/20/2015 16:16 (64), 04/07/2017 16:04 (14), 10/16/2021 07:05 (4), 10/16/2021 07:11 (1)
Complete: 🔍

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