The PJSIP channel driver in Asterisk Open Source 12.x before 12.1.1, when qualify_frequency "is enabled on an AOR and the remote SIP server challenges for authentication of the resulting OPTIONS request," allows remote attackers to cause a denial of service (crash) via a PJSIP endpoint that does not have an associated outgoing request.
2014-04-18T22:14:38.087
2025-04-12T10:46:40.837
Deferred
CVSSv2: 4.3 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | digium | asterisk | 12.0.0 | Yes |
Application | digium | asterisk | 12.1.0 | Yes |
Application | digium | asterisk | 12.1.0 | Yes |
Application | digium | asterisk | 12.1.0 | Yes |
Application | digium | asterisk | 12.1.0 | Yes |