Microsoft Windows win32k.sys input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft Windows. The impacted element is an unknown function in the library win32k.sys. The manipulation results in input validation. This vulnerability is cataloged as CVE-2012-0180. Furthermore, there is an exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Windows (Operating System) (affected version not known). Affected is some unknown functionality in the library win32k.sys. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, Windows 7 Gold and SP1, and Windows 8 Consumer Preview does not properly handle user-mode input passed to kernel mode for (1) windows and (2) messages, which allows local users to gain privileges via a crafted application, aka "Windows and Messages Vulnerability."

The weakness was shared 05/08/2012 with Microsoft as MS12-034 as confirmed knowledge base article (Website) via Microsoft. The advisory is shared for download at technet.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is traded as CVE-2012-0180 since 12/13/2011. The attack needs to be approached locally. A authentication is required for exploitation. Technical details and a public exploit are known.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 59042 (MS12-034: Combined Security Update for Microsoft Office, Windows, .NET Framework, and Silverlight (2681578)), 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 90803 (Microsoft Combined Security Update for Microsoft Office, Windows, .NET Framework and Silverlight (MS12-034)).

Applying the patch MS12-MAY 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 databases at X-Force (75138), Tenable (59042), SecurityFocus (BID 53372†), OSVDB (81715†) and Secunia (SA49120†). The entries VDB-4436, VDB-5357, VDB-5358 and VDB-5359 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.4
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 59042
Nessus Name: MS12-034: Combined Security Update for Microsoft Office, Windows, .NET Framework, and Silverlight (2681578)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902832
OpenVAS Name: MS Security Update For Microsoft Office, .NET Framework, and Silverlight (2681578)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS12-MAY

Timelineinfo

12/13/2011 🔍
05/03/2012 +142 days 🔍
05/08/2012 +5 days 🔍
05/08/2012 +0 days 🔍
05/08/2012 +0 days 🔍
05/08/2012 +0 days 🔍
05/08/2012 +0 days 🔍
05/08/2012 +0 days 🔍
05/09/2012 +1 days 🔍
05/09/2012 +0 days 🔍
05/11/2012 +2 days 🔍
01/21/2025 +4638 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS12-034
Organization: Microsoft
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-0180 (🔍)
GCVE (CVE): GCVE-0-2012-0180
GCVE (VulDB): GCVE-100-5364

OVAL: 🔍

X-Force: 75138
SecurityFocus: 53372 - RETIRED: Microsoft May 2012 Advance Notification Multiple Vulnerabilities
Secunia: 49120 - Microsoft Windows Multiple Vulnerabilities, Highly Critical
OSVDB: 81715
SecurityTracker: 1027039 - Windows OS Lets Remote Users Cause Arbitrary Code to Be Executed and Lets Local Users Gain Elevated Privileges
Vulnerability Center: 35037 - [MS12-034] Microsoft Windows Win32k.sys Local Privileges Escalation Vulnerability, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 05/11/2012 17:55
Updated: 01/21/2025 23:47
Changes: 05/11/2012 17:55 (79), 04/11/2017 15:40 (11), 03/24/2021 13:10 (4), 01/21/2025 23:47 (27)
Complete: 🔍
Cache ID: 216:A7B:103

Once again VulDB remains the best source for vulnerability data.

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