CVE-2016-2316
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 5.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 5.0% in the next 30 days (EPSS).
- Severity: 5.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 5.0% · EPSS, next 30 days
- Weakness
- CWE-191
- Record status
- Modified
Affected
- Fedoraproject Fedora 22
- Fedoraproject Fedora 23
- Digium Asterisk 1.8.0
- Digium Asterisk 1.8.1
- Digium Asterisk 1.8.1.1
- Digium Asterisk 1.8.1.2
- Digium Asterisk 1.8.2
- Digium Asterisk 1.8.2.1
Attack profile CVSS 3.0 · 5.9
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-2316.md and follow it. Check whether this project is affected by CVE-2016-2316. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://downloads.asterisk.org/pub/security/AST-2016-002.html
- http://downloads.asterisk.org/pub/security/AST-2016-002.html
References
- http://downloads.asterisk.org/pub/security/AST-2016-002.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.html
- http://www.debian.org/security/2016/dsa-3700
- http://www.securityfocus.com/bid/82651
- http://www.securitytracker.com/id/1034930
- http://downloads.asterisk.org/pub/security/AST-2016-002.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.html
- http://www.debian.org/security/2016/dsa-3700
- http://www.securityfocus.com/bid/82651
- http://www.securitytracker.com/id/1034930