National Cyber Awareness System
Vulnerability Summary for CVE-2011-0032
Original release date:03/09/2011
Untrusted search path vulnerability in DirectShow in Microsoft Windows Vista SP1 and SP2, Windows 7 Gold and SP1, Windows Server 2008 R2 and R2 SP1, and Windows Media Center TV Pack for Windows Vista allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a Digital Video Recording (.dvr-ms), Windows Recorded TV Show (.wtv), or .mpg file, aka "DirectShow Insecure Library Loading Vulnerability."
'CWE-426: Untrusted Search Path'
CVSS Severity (version 2.0):
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
'For an attack to be successful, a user must visit an untrusted remote file system location or WebDAV share and open a media file (such as .wtv, .drv-ms, or .mpg files).'
FAQ: 'This is a remote code execution vulnerability. '
References to Advisories, Solutions, and Tools
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US-CERT Technical Alert: TA11-067A
External Source: MS
Type: Advisory; Patch Information
External Source: VUPEN
External Source: SECTRACK
External Source: BID
External Source: SECUNIA
External Source: OVAL
External Source: OSVDB
References to Check Content