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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2013-03-29T18:00:00Z

Updated: 2024-09-16T17:38:10.972Z

Reserved: 2013-02-20T00:00:00Z

Link: CVE-2013-2264

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2013-04-01T16:55:03.747

Modified: 2013-04-01T16:55:03.747

Link: CVE-2013-2264

cve-icon Redhat

No data.