Avert Labs BlogEarlier today Karthik had blogged about details of a new zero day in Yahoo! Messenger being published on some security forums in China, we got a chance to dig a bit deeper into this and were able to reproduce the vulnerability on Yahoo! Messenger version 188.8.131.523 based on the information provided in the forum. It seems like a classic heap overflow which can be triggered when the victim accepts a webcam invite. Note that this vulnerability is different from the recently patched one in June which exploited the Yahoo! Webcam ActiveX controls.
This forum is for related Instant Messaging threats for all IM clients
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