CVE-2008-3903

N/A Unknown
Published: September 04, 2008 Modified: April 23, 2026
View on NVD

Description

Asterisk Open Source 1.2.x before 1.2.32, 1.4.x before 1.4.24.1, and 1.6.0.x before 1.6.0.8; Asterisk Business Edition A.x.x, B.x.x before B.2.5.8, C.1.x.x before C.1.10.5, and C.2.x.x before C.2.3.3; s800i 1.3.x before 1.3.0.2; and Trixbox PBX 2.6.1, when Digest authentication and authalwaysreject are enabled, generates different responses depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://misel.com/?p=52
Source: cve@mitre.org
http://downloads.asterisk.org/pub/security/AST-2009-003.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://misel.com/?p=52
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34982
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/37677
Source: af854a3a-2127-422b-91ae-364da2661108
http://security.gentoo.org/glsa/glsa-200905-01.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2009/dsa-1952
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/34353
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2009/0933
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/45059
Source: af854a3a-2127-422b-91ae-364da2661108

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

trixbox asterisk