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AOL Instant Messenger Malformed ASCII Value Message DoS

Medium

Synopsis

The remote host is vulnerable to a denial of service (DoS) attack

Description

The remote host is running AOL Instant Messenger (AIM). Versions prior to and including 3.5 of AIM do not properly handle coded ASCII symbols (&#XXX format) where XXX is a number greater than 255. AIM may crash if such a symbol is encountered resulting in a denial of service attack.

Solution

Upgrade to the latest version of AOL Instant Messenger.