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CVE-2016-7551

Published: 17 April 2017

chain_sip in Asterisk Open Source 11.x before 11.23.1 and 13.x 13.11.1 and Certified Asterisk 11.6 before 11.6-cert15 and 13.8 before 13.8-cert3 allows remote attackers to cause a denial of service (port exhaustion).

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
asterisk
Launchpad, Ubuntu, Debian
trusty Does not exist
(trusty was needed)
upstream
Released (1:13.11.2~dfsg-1)
impish Not vulnerable
(1:13.11.2~dfsg-1)
groovy Not vulnerable
(1:13.11.2~dfsg-1)
jammy Not vulnerable
(1:13.11.2~dfsg-1)
hirsute Not vulnerable
(1:13.11.2~dfsg-1)
xenial Needed

precise Ignored
(end of life)
kinetic Not vulnerable
(1:13.11.2~dfsg-1)
lunar Not vulnerable
(1:13.11.2~dfsg-1)
artful Ignored
(end of life)
bionic Not vulnerable
(1:13.11.2~dfsg-1)
cosmic Not vulnerable
(1:13.11.2~dfsg-1)
disco Not vulnerable
(1:13.11.2~dfsg-1)
eoan Not vulnerable
(1:13.11.2~dfsg-1)
focal Not vulnerable
(1:13.11.2~dfsg-1)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
mantic Not vulnerable
(1:13.11.2~dfsg-1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H