A vulnerability has been identified in Cisco IP Phone 7940, which could be exploited by attackers to cause a denial of service. This issue is caused by an error when handling a sequence of SIP INVITE messages containing a "Request-URI" without a username, which could be exploited by attackers to cause a vulnerable device to reboot, creating a denial of service condition.
Credits
Vulnerability reported by Madynes research team (INRIA Lorraine).
ChangeLog
2007-12-06 : Initial release
Vulnerability Management
Subscribe to FrSIRT VNS and receive real-time e-mail and SMS alerts when new vulnerabilities, exploits, or patches relevant to your systems and network configurations are available.
Feedback
If you have additional information or corrections for this security advisory please submit them via our contact form or by email to updates@frsirt.com.
French
