Information disclosure in Asterisk Business Edition
CVE-2013-2264
The SIP channel driver in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; Asterisk Business Edition (BE) C.3.x before C.3.8.1; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones exhibits different behavior for invalid INVITE, SUBSCRIBE, and REGISTER transactions depending on whether the user account exists, which allows remote attackers to enumerate account names by (1) reading HTTP status codes, (2) reading additional text in a 403 (aka Forbidden) response, or (3) observing whether certain retransmissions occur.
Vulnerability class: Information Disclosure
EPSS: 0.013 (66.4th percentile) — read the EPSS interpretation.
Affected products
- Asterisk Business_edition — versions c.3.2.2, c.3.3, c.3.3.2
- Asterisk Certified_asterisk — versions 1.8.15, 1.8.15.0
- Asterisk Digiumphones — versions 10.0.0, 10.1.0, 10.2.0
- Asterisk Open_source — versions 1.8.0, 1.8.1, 1.8.1.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)