Medium severity · published Feb 22, 2016
CVE-2016-2316
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…
5.9
CVSS
5%
EPSS
No
On KEV
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
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.0% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Asterisk · Digium
1.8.0; 1.8.0; 1.8.0; 1.8.0; 1.8.0; 1.8.0; +34 more · source: NVD
CA
Certified Asterisk · Digium
1.8.28; 11.6; 11.6; 11.6; 11.6; 11.6; +20 more · source: NVD
FE
Fedora · Fedoraproject
22; 23 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2316
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2316
Exploit
http://downloads.asterisk.org/pub/security/AST-2016-002.html
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.html
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.html
www.debian.org
http://www.debian.org/security/2016/dsa-3700
Third Party Advisory
http://www.securityfocus.com/bid/82651
Third Party Advisory
http://www.securitytracker.com/id/1034930
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