CVEvulnerability

CVE-2011-2665

5.0 MEDIUM Published 2011-07-06 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2011-07-06
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P

Description

reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.

Affected configurations

• digium asterisk 1.8.0 • digium asterisk 1.8.1 • digium asterisk 1.8.1.1 • digium asterisk 1.8.1.2 • digium asterisk 1.8.2 • digium asterisk 1.8.2.1 • digium asterisk 1.8.2.2 • digium asterisk 1.8.2.3 • digium asterisk 1.8.2.4 • digium asterisk 1.8.3 • digium asterisk 1.8.3.1 • digium asterisk 1.8.3.2 • digium asterisk 1.8.3.3 • digium asterisk 1.8.4 • digium asterisk 1.8.4.1 • digium asterisk 1.8.4.2

References