CVE-2008-3903

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Summary

CVECVE-2008-3903
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2008-09-04 19:41:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionAsterisk 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.

Risk And Classification

Primary CVSS: v2.0 3.5 from [email protected]

AV:N/AC:M/Au:S/C:P/I:N/A:N

Problem Types: CWE-200 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
Single
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:M/Au:S/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Asterisk P B X 1.2 All All All
Application Asterisk P B X 1.2.22 All All All
Application Asterisk P B X 1.4.21.1 All All All
Application Asterisk P B X 1.6 All All All
Application Trixbox Pbx 2.6.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Gentoo Linux Documentation -- Asterisk: Multiple vulnerabilities af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
misel.com af854a3a-2127-422b-91ae-364da2661108 misel.com
Asterisk Authentication SIP Response Remote Information Disclosure Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
AST-2009-003 af854a3a-2127-422b-91ae-364da2661108 downloads.asterisk.org
Gentoo update for asterisk - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Debian update for asterisk - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Debian -- Security Information -- DSA-1952-1 asterisk af854a3a-2127-422b-91ae-364da2661108 www.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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