Threat Investigation
Request a demo

CVE-2016-2316

Medium

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.

SeverityMedium
CVSS5.9
Exploit probability—
ProductDigium Asterisk
PublishedFeb 22, 2016
First seenFeb 22, 2016

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
digium asterisk1.8.0, 1.8.1, 1.8.1.1, 1.8.1.2, 1.8.2, 1.8.2.1, 1.8.2.2, 1.8.2.3, 1.8.2.4, 1.8.3, 1.8.3.1, 1.8.3.2, 1.8.3.3, 1.8.4, 1.8.4.1, 1.8.4.2, 1.8.4.3, 1.8.4.4, 1.8.5, 1.8.5.0, 1.8.6.0, 1.8.7.0, 1.8.7.1, 1.8.8.0, 1.8.8.1, 1.8.8.2, 1.8.9.0, 1.8.9.1, 1.8.9.2, 1.8.9.3, 1.8.10.0, 1.8.10.1, 1.8.11.0, 1.8.11.1, 1.8.12, 1.8.12.0, 1.8.12.1, 1.8.12.2, 1.8.13.0, 1.8.13.1, 1.8.14.0, 1.8.14.1, 1.8.15.0, 1.8.15.1, 1.8.16.0, 1.8.17.0, 1.8.18.0, 1.8.18.1, 1.8.19.0, 1.8.19.1, 1.8.20.0, 1.8.20.1, 1.8.20.2, 1.8.21.0, 1.8.22.0, 1.8.23.0, 1.8.23.1, 1.8.24.0, 1.8.24.1, 1.8.25.0, 1.8.26.0, 1.8.26.1, 1.8.27.0, 1.8.28.0, 1.8.28.1, 1.8.28.2, 1.8.32.0, 11.0.0, 11.0.1, 11.0.2, 11.1.0, 11.1.1, 11.1.2, 11.2.0, 11.4.0, 11.6.0, 11.7.0, 11.8.0, 11.8.1, 11.9.0, 11.10.0, 11.10.1, 11.11.0, 11.12.0, 11.13.0, 11.14.0—
fedoraproject fedora22, 23—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.