Rules:

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Sid:
3085

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Summary:
This event is generated when an attempt is made to exploit a vulnerability
associated with AOL Instant Messenger (AIM) goaway message.

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Impact:
Serious. Execution of arbitrary commands may be possible.

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Detailed Information:
AIM is instant messaging software supplied by AOL Time Warner. A malicious
URL offered in an AIM message or web page that sends an AIM client an overly
long AIM "Away" message can cause a buffer overflow on a vulnerable client.
This can permit the execution of arbitrary code on the client host.

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Affected Systems:
AOL Instant Messenger 5.5, 5.5.3415 Beta, 5.5.3595

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Attack Scenarios:
An attacker can send an overly long AIM "Away" message or a user could be
enticed to view a site that embeds such a message.

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Ease of Attack:
Simple.

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False Positives:
None known.

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False Negatives:
A Metasploit attack that exploits this vulnerability uses an HTTP port of
8080.  Other HTTP ports can be used for this attack as well.

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Corrective Action:
Upgrade to the most current nonaffected version of the software.

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Contributors:
Sourcefire Vulnerability Research Team
Judy Novak <judy.novak@sourcefire.com>

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Additional References:

iDefense:
http://www.idefense.com/application/poi/display?id=121&type=vulnerabilities
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