National Cyber Awareness System
Vulnerability Summary for CVE-2007-6430
Original release date:12/20/2007
Last revised:03/08/2011
Source:
US-CERT/NIST
Overview
Asterisk Open Source 1.2.x before 1.2.26 and 1.4.x before 1.4.16, and Business Edition B.x.x before B.2.3.6 and C.x.x before C.1.0-beta8, when using database-based registrations ("realtime") and host-based authentication, does not check the IP address when the username is correct and there is no password, which allows remote attackers to bypass authentication using a valid username.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information
References to Advisories, Solutions, and Tools
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External Source: XF
Name: asterisk-registration-security-bypass(39124)
External Source: VUPEN
Name: ADV-2007-4260
External Source: SECTRACK
Name: 1019110
Type: Advisory
External Source: BID
Name: 26928
External Source: BUGTRAQ
Name: 20071218 AST-2007-027 - Database matching order permits host-based authentication to be ignored
External Source: SECUNIA
Name: 28149
Type: Advisory
External Source: CONFIRM
Name: http://downloads.digium.com/pub/security/AST-2007-027.html
External Source: OSVDB
Name: 39519
External Source: DEBIAN
Name: DSA-1525
External Source: SREASON
Name: 3467
External Source: GENTOO
Name: GLSA-200804-13
External Source: SECUNIA
Name: 29782
External Source: SECUNIA
Name: 29456
External Source: SECUNIA
Name: 29242
External Source: SUSE
Name: SUSE-SR:2008:005