CVE-2016-2316
Published: 22 February 2016
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.
Priority
Status
Package | Release | Status |
---|---|---|
asterisk Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
bionic |
Not vulnerable
|
|
cosmic |
Not vulnerable
|
|
disco |
Not vulnerable
|
|
eoan |
Not vulnerable
|
|
focal |
Not vulnerable
|
|
groovy |
Not vulnerable
|
|
hirsute |
Not vulnerable
|
|
impish |
Not vulnerable
|
|
jammy |
Not vulnerable
|
|
kinetic |
Not vulnerable
|
|
lunar |
Not vulnerable
|
|
mantic |
Not vulnerable
|
|
noble |
Not vulnerable
|
|
precise |
Ignored
(end of life)
|
|
trusty |
Does not exist
(trusty was needed)
|
|
upstream |
Released
(11.21.1, 13.7.1)
|
|
wily |
Ignored
(end of life)
|
|
xenial |
Needed
|
|
yakkety |
Ignored
(end of life)
|
|
zesty |
Ignored
(end of life)
|
|
Patches: upstream: http://downloads.asterisk.org/pub/security/AST-2016-002-1.8.diff upstream: http://downloads.asterisk.org/pub/security/AST-2016-002-11.diff upstream: http://downloads.asterisk.org/pub/security/AST-2016-002-12.diff upstream: http://downloads.asterisk.org/pub/security/AST-2016-002-13.diff |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.9 |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |