CVE-2016-2316

Public Exploit

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.86% Top 30%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory asterisk.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/82651 third party advisory vdb entry
http://www.securitytracker.com/id/1034930 third party advisory vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.html third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.html third party advisory vendor advisory
http://www.debian.org/security/2016/dsa-3700 vendor advisory
http://downloads.asterisk.org/pub/security/AST-2016-002.html patch vendor advisory exploit

Frequently Asked Questions

What is the severity of CVE-2016-2316?
CVE-2016-2316 has been scored as a medium severity vulnerability.
How to fix CVE-2016-2316?
To fix CVE-2016-2316, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-2316 being actively exploited in the wild?
It is possible that CVE-2016-2316 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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