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CVE-2016-2316

Published: Feb 22, 2016Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-191
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
5.0%
Top 8.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-191

Affected Products

n/an/a
AsteriskDigium, Inc.
On-prem
Communications / voip-telephony
Certified AsteriskDigium, Inc.
On-prem
Communications / voip-telephony
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
asteriskdigiumCommunications
digium, inc.commercialUSCommunicationsaka digium, digium inc.
fedoraprojectoss-projectUSOperating Systemsaka fedora project
digiumcommercialUSCommunicationsaka digium, asterisk
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

http://www.securityfocus.com/bid/82651
securityfocus.com
http://www.securitytracker.com/id/1034930
securitytracker.com
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.html
lists.fedoraproject.org
and 3 more references View all →

Timeline

Published
Feb 22, 2016
Last Updated
May 6, 2026

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