Description: Gianni Amato has discovered a weakness in Yahoo! Messenger, which can be exploited by malicious people to cause a DoS (Denial of Service).
The weakness is caused due to a NULL pointer dereference error when processing received conference invites. This can be exploited to crash arbitrary users' Yahoo! Messenger clients by sending a Conference Invite packet containing a specially crafted "room name" string.
The vulnerability is confirmed in version 8.0.0.716. Other versions may also be affected.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.
Solution: Update to version 8.1.0.195 or later.
Provided and/or discovered by: Gianni Amato
Changelog: 2006-10-31: Added CVE reference.
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