A weakness has been reported in Phex, which can be exploited by malicious people to cause a DoS (Denial of Service).
The weakness is caused due to an error in restricting the number of chat requests that a user can initiate to another. This can be exploited by malicious users to cause Phex to consume large amount of memory resources by initiating a large number of chat requests to a victim and then log off.
Successful exploitation causes Phex to become unresponsive.
The weakness has been reported in versions prior to 2.8.6.
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Subject: Phex Chat Request Handling Weakness
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