Information disclosure in Asterisk Business Edition
CVE-2009-0041
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.027 (85.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Asterisk Business Edition — versions a, b.1.3.2, b.1.3.3
- Asterisk Open Source — versions 1.2.0, 1.2.0beta1, 1.2.0beta2
- Asterisk S800i Appliance — versions 1.2
Weakness classification (CWE)
References
- security.gentoo.org/glsa/glsa-200905-01.xml (vendor-advisory)
- www.securityfocus.com/archive/1/499884/100/0/threaded (mailing-list)
- secunia.com/advisories/33453 (third-party-advisory)
- securityreason.com/securityalert/4910 (third-party-advisory)
- www.securityfocus.com/bid/33174 (Patch, vdb-entry)
- secunia.com/advisories/37677 (third-party-advisory)
- www.debian.org/security/2009/dsa-1952 (vendor-advisory)
- www.securitytracker.com/id (vdb-entry)
- downloads.digium.com/pub/security/AST-2009-001.html
- www.vupen.com/english/advisories/2009/0063 (vdb-entry)