Integer Underflow Affecting asterisk package, versions <1:13.7.2~dfsg-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-ASTERISK-428588
- published22 Feb 2016
- disclosed22 Feb 2016
Introduced: 22 Feb 2016
CVE-2016-2316 (opens in a new tab)How to fix?
Upgrade Debian:unstable asterisk to version 1:13.7.2~dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream asterisk package and not the asterisk package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2016-2316
- http://www.debian.org/security/2016/dsa-3700
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.html
- http://downloads.asterisk.org/pub/security/AST-2016-002.html
- http://www.securityfocus.com/bid/82651
- http://www.securitytracker.com/id/1034930
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-2316