CVE-2002-0669 Information

Description

The web interface for Pingtel xpressa SIP-based voice-over-IP phone 1.2.5 through 1.2.7.4 allows administrators to cause a denial of service by modifying the SIP_AUTHENTICATE_SCHEME value to force authentication of incoming calls which does not notify the user when an authentication failure occurs.

Reference

http://www.atstake.com/research/advisories/2002/a071202-1.txt http://www.iss.net/security_center/static/9564.php