Vulnerability Description
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Digium | Asterisk | 1.8.0 |
References
- http://downloads.digium.com/pub/security/AST-2011-007.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html
- http://osvdb.org/72752
- http://secunia.com/advisories/44828
- http://securitytracker.com/id?1025598
- http://www.securityfocus.com/archive/1/518236/100/0/threaded
- http://www.securityfocus.com/bid/48096
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67812
- http://downloads.digium.com/pub/security/AST-2011-007.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html
- http://osvdb.org/72752
- http://secunia.com/advisories/44828
- http://securitytracker.com/id?1025598
FAQ
What is CVE-2011-2216?
CVE-2011-2216 is a vulnerability with a CVSS score of 5.0 (MEDIUM). reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer de...
How severe is CVE-2011-2216?
CVE-2011-2216 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-2011-2216?
Check the references section above for vendor advisories and patch information. Affected products include: Digium Asterisk.