Vulnerability Description
chan_sip in Asterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3, when the timert1 sip.conf configuration is set to a value greater than 1245, allows remote attackers to cause a denial of service (file descriptor consumption) via vectors related to large retransmit timeout values.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fedoraproject | Fedora | 22 |
| Digium | Asterisk | 1.8.0 |
| Digium | Certified Asterisk | 1.8.28 |
Related Weaknesses (CWE)
References
- http://downloads.asterisk.org/pub/security/AST-2016-002.htmlExploitPatchVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.hThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.hThird Party Advisory
- http://www.debian.org/security/2016/dsa-3700
- http://www.securityfocus.com/bid/82651Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034930Third Party AdvisoryVDB Entry
- http://downloads.asterisk.org/pub/security/AST-2016-002.htmlExploitPatchVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.hThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.hThird Party Advisory
- http://www.debian.org/security/2016/dsa-3700
- http://www.securityfocus.com/bid/82651Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034930Third Party AdvisoryVDB Entry
FAQ
What is CVE-2016-2316?
CVE-2016-2316 is a vulnerability with a CVSS score of 5.9 (MEDIUM). chan_sip in Asterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3, when the timert1 sip.conf ...
How severe is CVE-2016-2316?
CVE-2016-2316 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-2316?
Check the references section above for vendor advisories and patch information. Affected products include: Fedoraproject Fedora, Digium Asterisk, Digium Certified Asterisk.