CVE-2009-0041

Asterisk Business Edition < B.2.5.2 and < C.1.0 - Unauthenticated Username Enumeration via IAX2 Login Response

Title source: llm
STIX 2.1

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.

References (11)

Core 11
Core References
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-200905-01.xml
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/499884/100/0/threaded
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/33453
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/4910
Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/33174
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/37677
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2009/dsa-1952
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1021549
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/0063
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/34982

Scores

EPSS 0.0272
EPSS Percentile 84.3%

Details

CWE
CWE-200
Status published
Products (34)
asterisk/asterisk_business_edition a
asterisk/asterisk_business_edition b.1.3.2
asterisk/asterisk_business_edition b.1.3.3
asterisk/asterisk_business_edition b.2.2.0
asterisk/asterisk_business_edition b.2.2.1
asterisk/asterisk_business_edition b.2.3.1
asterisk/asterisk_business_edition b.2.3.2
asterisk/asterisk_business_edition b.2.3.3
asterisk/asterisk_business_edition b.2.3.4
asterisk/asterisk_business_edition b.2.3.5
... and 24 more
Published Jan 14, 2009
Tracked Since Feb 18, 2026