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Yahoo! Messenger Webcam JPEG 2000 Processing Vulnerabilities
Secunia Advisory: SA26501
Release Date: 2007-08-20
Last Update: 2007-08-22
Popularity: 12,669 views

Critical:
Moderately critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:Yahoo! Messenger 8.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Two vulnerabilities have been reported in Yahoo! Messenger, which can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a user's system.

The vulnerabilities are caused due to input validation errors in ywcvwr.dll and kdu_v32m.dll when processing JPEG 2000 streams sent via the webcam stream. These can be exploited to cause a DoS condition or a heap-based buffer overflow when a user e.g. is tricked into viewing a malicious webcam stream.

Successful exploitation may allow execution of arbitrary code.

The vulnerabilities affects all versions downloaded before August 21, 2007.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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