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TITLE:
Windows Live Messenger Denial of Service Weakness

SECUNIA ADVISORY ID:
SA33985

VERIFY ADVISORY:
http://secunia.com/advisories/33985/

DESCRIPTION:
Mr Ha1 has discovered a weakness in Windows Live Messenger, which can
be exploited by malicious people to cause a DoS (Denial of Service).

The weakness is caused due to a format string error in the processing
of malformed messages and can be exploited to crash the application.

The weakness is confirmed in msnmsgr.exe version 14.0.8064.206. Other
versions may also be affected.

SOLUTION:
Block messages from untrusted users.

PROVIDED AND/OR DISCOVERED BY:
Mr Ha1

ORIGINAL ADVISORY:
http://seclists.org/bugtraq/2009/Feb/0160.html

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