CVE-2013-5642: Input Validation
The SIP channel driver (channels/chansip.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 Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2013-5642?
CVE-2013-5642 has been classified as a critical security vulnerability due to its potential for remote code execution.
How do I fix CVE-2013-5642?
To fix CVE-2013-5642, upgrade Asterisk to version 1.8.23.1, 10.12.3, or 11.5.1 or later.
Which Asterisk versions are affected by CVE-2013-5642?
Asterisk versions 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1 are affected by CVE-2013-5642.
Can CVE-2013-5642 be exploited remotely?
Yes, CVE-2013-5642 can be exploited remotely, allowing attackers to execute arbitrary code.
What are the potential impacts of CVE-2013-5642 on my system?
The impacts of CVE-2013-5642 can include unauthorized access, data loss, and complete system compromise.