Advisory Details

June 10th, 2008

AOL AIM SIPFoundry sipXtapi RTCP Processing Heap Overflow Vulnerability

ZDI-08-097
ZDI-CAN-251

CVE ID
CVSS SCORE
AFFECTED VENDORS America Online
AFFECTED PRODUCTS AIM
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of AOL AIM. Successful exploitation requires the victim to accept a Video Messaging session with the attacker.

The specific flaw exists in the SIP protocol implementation library, sipXtapi.dll. If a malformed RTCP sender report packet is sent, a memory corruption occurs due to a signedness error allowing the execution of arbitrary code.

ADDITIONAL DETAILS

Fixed in AIM 6.8 client, version 6.8.7.7.


DISCLOSURE TIMELINE
  • 2007-12-11 - Vulnerability reported to vendor
  • 2008-06-10 - Coordinated public release of advisory
CREDIT wushi of team509
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