CVE-2011-2665

high

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.

References

http://www.debian.org/security/2011/dsa-2276

http://secunia.com/advisories/45239

http://secunia.com/advisories/45201

http://secunia.com/advisories/45048

http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html

http://downloads.asterisk.org/pub/security/AST-2011-009.html

http://downloads.asterisk.org/pub/security/AST-2011-009-1.8.diff

Details

Source: Mitre, NVD

Published: 2011-07-06

Updated: 2011-09-07

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High