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MSN Messenger Video Conversation Buffer Overflow Vulnerability
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Secunia Advisory:
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SA26570
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Release Date:
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2007-08-28
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Last Update:
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2007-09-11
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Microsoft MSN Messenger 6.x
Microsoft MSN Messenger 7.x
Microsoft Windows Live Messenger 8.x
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| | CVE reference: | CVE-2007-2931 (Secunia mirror)
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Description:
wushi has reported a vulnerability in MSN Messenger, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to an error in the handling of video conversations and can be exploited to cause a heap-based buffer overflow via specially crafted data sent to a user.
Successful exploitation allows execution of arbitrary code, but requires that the victim accepts the incoming Web Cam invitation.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.
Solution:
Update to fixed versions.
Windows 2000 SP4:
Update to MSN Messenger 7.0.0820 (recently released).
Other supported versions of Windows:
Update to Windows Live Messenger 8.1 (released January 2007).
Provided and/or discovered by:
wushi
Changelog:
2007-08-29: Added link to US-CERT and CVE reference.
2007-09-11: Added additional information from Microsoft. Updated "Solution" section.
Original Advisory:
MS07-054 (KB942099):
http://www.microsoft.com/technet/security/Bulletin/MS07-054.mspx
Team 509:
http://www.team509.com/modules.php?name=News&file=article&sid=50
Other References:
US-CERT VU#166521:
http://www.kb.cert.org/vuls/id/166521
Extended Solution:
The "Extended Solution" section is available for Secunia customers only. Request a trial and get access to the Secunia Customer Area and Extended Secunia advisories.
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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1. Microsoft MSN Messenger GIF Image Processing Vulnerability
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2. Microsoft Various Products PNG Image Parsing Vulnerabilities
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3. Microsoft Products Fail to Restrict "shell:" Access
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4. Microsoft MSN Messenger Arbitrary File Retrieval Vulnerability
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5. MSN Messenger Denial of Service
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