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TITLE:
Pidgin MSN SLP Message Integer Overflow Vulnerabilities

SECUNIA ADVISORY ID:
SA30971

VERIFY ADVISORY:
http://secunia.com/advisories/30971/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From remote

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

DESCRIPTION:
Some vulnerabilities have been reported in Pidgin, which potentially
can be exploited by malicious people to compromise a user's system.

The vulnerabilities are caused due to integer overflow errors in the
"msn_slplink_process_msg" function in
libpurple/protocols/msnp9/slplink.c and
libpurple/protocols/msn/slplink.c, and can potentially be exploited
to  execute arbitrary code via a specially crafted SLP message.

Successful exploitation requires that the attacker is allowed to send
messages to a victim (by default only users in the buddy list)

The vulnerability is reported in versions prior to 2.4.3.

SOLUTION:
Update to version 2.4.3.

PROVIDED AND/OR DISCOVERED BY:
Reported via a Red Hat bug report.

ORIGINAL ADVISORY:
https://bugzilla.redhat.com/show_bug.cgi?id=453764

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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