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TITLE:
AOL Instant Messenger File Transfer Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA24747

VERIFY ADVISORY:
http://secunia.com/advisories/24747/

CRITICAL:
Less critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
AOL Instant Messenger 5.x
http://secunia.com/product/581/
AOL Instant Messenger 4.x
http://secunia.com/product/546/
AOL Instant Messenger 3.x
http://secunia.com/product/578/
AOL Instant Messenger 2.x
http://secunia.com/product/579/
AOL Instant Messenger 1.x
http://secunia.com/product/580/

DESCRIPTION:
A vulnerability has been reported in AOL Instant Messenger (AIM),
which potentially can be exploited by malicious users to compromise
another user's system.

The vulnerability is caused due to an input validation error when
processing file transfers between clients. This can be exploited to
place files in arbitrary locations on a target users' system via a
specially crafted directory traversal sequence specified as the file
name when initiating a file transfer.

Successful exploitation requires that the target user accepts the
file transfer request.

The vulnerability reportedly affects versions versions 5.9 and prior.

SOLUTION:
Upgrade to the latest version 6.1.
http://www.aim.com

For version 5.9 users,  a fix has reportedly been applied to the AIM
infrastructure.

PROVIDED AND/OR DISCOVERED BY:
Discovered by an anonymous person and reported via iDefense Labs.

ORIGINAL ADVISORY:
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=508

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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.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


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