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Asterisk user account enumeration
Published: 09.01.2009
Source: BUGTRAQ
SecurityVulns ID: 9565
Type: remote
Level: 5/10
Description: Different replies for invalid username and password in IAX2 authentication.

Affected: ASTERISK : Asterisk 1.2
ASTERISK : Asterisk 1.4
ASTERISK : Asterisk s800i
ASTERISK : Asterisk 1.6
CVE: CVE-2009-0041 (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.)

Original document ASTERISK, AST-2009-001: Information leak in IAX2 authentication (09.01.2009)

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