National Cyber Awareness System
Vulnerability Summary for CVE-2012-0157
Original release date:03/13/2012
Last revised:03/07/2013
Source:
US-CERT/NIST
Overview
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, and Windows 7 Gold and SP1 does not properly handle window messaging, which allows local users to gain privileges via a crafted application that calls the PostMessage function, aka "PostMessage Function Vulnerability."
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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US-CERT Technical Alert: TA12-073A
Name: TA12-073A
External Source: MS
Name: MS12-018
Type: Advisory; Patch Information
External Source: OVAL
Name: oval:org.mitre.oval:def:14217
