Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Digium | Asterisk | 1.8.17.0 |
| Digium | Asterisk Digiumphones | 10.0.0 |
| Digium | Certified Asterisk | 1.8.15 |
Related Weaknesses (CWE)
References
- http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html
- http://downloads.asterisk.org/pub/security/AST-2013-005.htmlPatchVendor Advisory
- http://osvdb.org/96690
- http://secunia.com/advisories/54534Vendor Advisory
- http://secunia.com/advisories/54617
- http://www.debian.org/security/2013/dsa-2749
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:223
- http://www.securityfocus.com/bid/62022
- http://www.securitytracker.com/id/1028957
- https://issues.asterisk.org/jira/browse/ASTERISK-22007
- http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html
- http://downloads.asterisk.org/pub/security/AST-2013-005.htmlPatchVendor Advisory
- http://osvdb.org/96690
- http://secunia.com/advisories/54534Vendor Advisory
- http://secunia.com/advisories/54617
FAQ
What is CVE-2013-5642?
CVE-2013-5642 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 1...
How severe is CVE-2013-5642?
CVE-2013-5642 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-5642?
Check the references section above for vendor advisories and patch information. Affected products include: Digium Asterisk, Digium Asterisk Digiumphones, Digium Certified Asterisk.