CVEvulnerability

CVE-2013-5642

5.0 MEDIUM Published 2013-09-09 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2013-09-09
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
Weaknesses
CWE-20

Description

The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.

Affected configurations

• digium asterisk 1.8.17.0 • digium asterisk 1.8.18.0 • digium asterisk 1.8.18.1 • digium asterisk 1.8.19.0 • digium asterisk 1.8.19.1 • digium asterisk 1.8.20.0 • digium asterisk 1.8.21.0 • digium asterisk 1.8.22.0 • digium asterisk 1.8.23.0 • digium asterisk 10.10.0 • digium asterisk 10.11.0 • digium asterisk 10.12.0 • digium asterisk 10.12.1 • digium asterisk 10.12.2 • digium asterisk 11.0.0 • digium asterisk 11.0.1 • digium asterisk 11.0.2 • digium asterisk 11.1.0 • digium asterisk 11.1.1 • digium asterisk 11.1.2 • digium asterisk 11.2.0 • digium asterisk 11.3.0 • digium asterisk 11.4.0 • digium asterisk 11.5.0 • digium asterisk 11.5.1 • digium asterisk digiumphones 10.0.0 • digium asterisk digiumphones 10.11.0 • digium asterisk digiumphones 10.12.0 • digium asterisk digiumphones 10.12.1 • digium asterisk digiumphones 10.12.2 • digium certified asterisk 1.8.15 • digium certified asterisk 11.2.0

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References