Multiple vulnerabilities have been identified in various Asterisk products, which could be exploited by attackers or malicious users to bypass security restrictions, cause a denial of service or compromise a vulnerable system [...]
Solution
Upgrade to Asterisk Open Source version 1.2.27, 1.4.18.1, 1.4.19-rc3 or 1.6.0-beta6 :
http://downloads.digium.com/pub/telephony/asterisk
Upgrade to Asterisk Business Edition version 1B.2.5.1 or C.1.6.2 :
http://downloads.digium.com/
Upgrade to AsteriskNOW version 1.0.2 :
http://www.asterisknow.org/
Upgrade to the lastest Asterisk Appliance Developer Kit (Asterisk 1.4) revision.
Upgrade to Asterisk Appliance s800i version 1.1.0.2.
Credits
Vulnerabilities reported by Mu Security Research Team, Jason Parker, Steve Davies, Brandon Kruse and Dino A. Dai Zovi.
ChangeLog
2008-03-19 : Initial release
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