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VoIP customers of Avaya, Cisco and Nortel should be on the
lookout for patches today by 12 p.m. EDT to correct security vulnerabilities
discovered by VoIPshield Laboratories.

According to Network
World, VoIPShield earlier found and quietly reported the problems to the
three vendors to give them time to develop patches for the flaws. Details of
the vulnerabilities and vendor fixes are scheduled to be released in a
simultaneous announcement between the three VoIP vendors and the security
company. Two of the three vendors are
expected to issue patches with the third to issue an advisory.

Vulnerabilities found affect VoIP PBXes and softphone
software. If exploited, consequences could include remote code execution, unauthorized
access, denial of service, and information harvesting.

Avaya, Cisco and Nortel were chosen by VoIPshield for
testing because they represent the bulk of IP PBX sales in North
America. Microsoft has been
included in the next round of testing with results expected to be announced in
about four months. 

For more
- Network World reports Avaya, Cisco and Nortel VoIP
vulnerabilities

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