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[SA27372] Pidgin HTML Processing Denial of Service

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu Oct 25 2007 - 13:17:05 CDT

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TITLE:
Pidgin HTML Processing Denial of Service

SECUNIA ADVISORY ID:
SA27372

VERIFY ADVISORY:
http://secunia.com/advisories/27372/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
From remote

SOFTWARE:
Pidgin 2.x
http://secunia.com/product/14677/

DESCRIPTION:
A weakness has been reported in Pidgin, which can be exploited by
malicious people to cause a DoS (Denial of Service).

The weakness is caused due to a NULL-pointer dereference error when
processing messages with invalid HTML code and can be exploited to
cause libpurple to crash.

Successful exploitation may require that HTML logging is used.

SOLUTION:
Update to version 2.2.2.
http://www.pidgin.im/download/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Jeffrey Rosen.

ORIGINAL ADVISORY:
http://www.pidgin.im/news/security/?id=24

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