Hello, I looked a bit for this problem on the web, and cant find it so I am posting it here. Yeah, so its a lame DoS for several versions of OSX's ICQ clients. Version information is in the comment space of the proof of concept exploit code I have included below. This was a quick hack based on some code I authored that exploited a similar problem with some earlier versions of Licq. I was learning basic socket coding at the time I wrote the Licq thingy, but nonetheless here is the code that works on ICQ MacOSX Ver 2.6x Beta Build 7 and others.
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