CVE-2009-0041 Information

Description

IAX2 in Asterisk Open Source 1.2.x before 1.2.31 1.4.x before 1.4.23-rc4 and 1.6.x before 1.6.0.3-rc2; Business Edition A.x.x B.x.x before B.2.5.7 C.1.x.x before C.1.10.4 and C.2.x.x before C.2.1.2.1; and s800i 1.2.x before 1.3.0 responds differently to a failed login attempt depending on whether the user account exists which allows remote attackers to enumerate valid usernames.

Reference

http://downloads.digium.com/pub/security/AST-2009-001.html http://secunia.com/advisories/33453 http://secunia.com/advisories/34982 http://secunia.com/advisories/37677 http://security.gentoo.org/glsa/glsa-200905-01.xml http://securityreason.com/securityalert/4910 http://www.debian.org/security/2009/dsa-1952 http://www.securityfocus.com/archive/1/499884/100/0/threaded http://www.securityfocus.com/bid/33174 http://www.securitytracker.com/id?1021549 http://www.vupen.com/english/advisories/2009/0063