Information disclosure in Asterisk P B X
CVE-2008-3903
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.
Vulnerability class: Information Disclosure
EPSS: 0.019 (76.9th percentile) — read the EPSS interpretation.
Affected products
- Asterisk P_b_x — versions 1.2, 1.2.22, 1.4.21.1
- Trixbox Pbx — versions 2.6.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_SECUNIA, third-party-advisory)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (vdb-entry, x_refsource_XF)
- cve@mitre.org (vdb-entry, x_refsource_VUPEN)
- cve@mitre.org (x_refsource_SECUNIA, third-party-advisory)