Description
Asterisk Open Source 1.2.x before 1.2.32, 1.4.x before 1.4.24.1, and 1.6.0.x before 1.6.0.8; 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 1.3.0.2; 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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://security.gentoo.org/glsa/glsa-200905-01.xml ↗
- http://downloads.asterisk.org/pub/security/AST-2009-003.html ↗
- http://www.securityfocus.com/bid/34353 ↗
- http://secunia.com/advisories/37677 ↗
- http://www.debian.org/security/2009/dsa-1952 ↗
- http://misel.com/?p=52 ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45059 ↗
- http://www.vupen.com/english/advisories/2009/0933 ↗
- http://secunia.com/advisories/34982 ↗