CVE-2008-3903

medium

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/45059

http://www.vupen.com/english/advisories/2009/0933

http://www.securityfocus.com/bid/34353

http://www.debian.org/security/2009/dsa-1952

http://security.gentoo.org/glsa/glsa-200905-01.xml

http://secunia.com/advisories/37677

http://secunia.com/advisories/34982

http://misel.com/?p=52

http://downloads.asterisk.org/pub/security/AST-2009-003.html

Details

Source: Mitre, NVD

Published: 2008-09-04

Updated: 2017-08-08

Risk Information

CVSS v2

Base Score: 3.5

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Medium