CVE-2007-6430

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-12-20 · updated 2026-06-16
Weakness: CWE-287

Description

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.

Affected products

Asterisk Business Edition: b.1.3.2, b.1.3.3, b.2.2.0, b.2.2.1, b.2.3.1, b.2.3.2 (+3)
asterisk Open Source: 1.2.0beta1, 1.2.0beta2, 1.2.5, 1.2.6, 1.2.7, 1.2.8 (+31)

References

http://downloads.digium.com/pub/security/AST-2007-027.html
http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00001.html
http://secunia.com/advisories/28149
http://secunia.com/advisories/29242
http://secunia.com/advisories/29456
http://secunia.com/advisories/29782
http://security.gentoo.org/glsa/glsa-200804-13.xml
http://securityreason.com/securityalert/3467
http://www.debian.org/security/2008/dsa-1525
http://www.osvdb.org/39519
http://www.securityfocus.com/archive/1/485287/100/0/threaded
http://www.securityfocus.com/bid/26928

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