CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.0. Its EPSS score suggests a 11.7% probability of exploitation in the next 30 days. It may be remotely exploitable. It may lead to a denial-of-service condition.
CVE
CVE-2013-5642
Severity
MEDIUM
CVSS
5
EPSS
11.65%
Original NVD 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.