CVE-2013-5642
EPSS 5.1%
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.
How to fix CVE-2013-5642
To remediate CVE-2013-5642, upgrade the affected package to a fixed version below.
- Debian/asterisk—upgrade to 1:11.5.1~dfsg-1 or later
Is CVE-2013-5642 being exploited?
Moderate — EPSS is 5.1%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 1:11.5.1~dfsg-1