Last updated: Wed Jun 19 04:02:26 EDT 2013
CVE Publication rate: 12.43
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Vulnerability Workload Index: 5.15
Asterisk Open Source 1.2.x before 1.2.32, 1.4.x before 184.108.40.206, and 1.6.0.x before 220.127.116.11; Asterisk Business Edition A.x.x, B.x.x before B.2.5.8, C.1.x.x before C.1.10.5, and C.2.x.x before C.2.3.3; s800i 1.3.x before 18.104.22.168; and Trixbox PBX 2.6.1, when Digest authentication and authalwaysreject are enabled, generates different responses depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames.
Additional details can be found here: http://www.voipsa.org/pipermail/voipsec_voipsa.org/2006-May/001628.html
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