Yahoo! Messenger AudioConf ActiveX Control Buffer Overflow VulnerabilityZDI-07-012: April 3rd, 2007
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 4791. For further product information on the TippingPoint IPS:
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Yahoo Messenger. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.
The specific flaw exists within the ActiveX control Yahoo.AudioConf:
When large values are specified for the 'socksHostname' and 'hostname' properties, and the createAndJoinConference() method is called, a stack overflow occurs. Exploitation can result in code execution under the context of the current user.
Vendor ResponseYahoo! has issued an update to correct this vulnerability. More details can be found at:
2006-10-27 - Vulnerability reported to vendor
2007-04-03 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: