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CVE-2016-3948

Published: 7 April 2016

Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers.

Notes

AuthorNote
mdeslaur
needs substantial backporting
There are no current plans to fix this CVE in Ubuntu 12.04 LTS
and Ubuntu 14.04 LTS.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
squid3
Launchpad, Ubuntu, Debian
artful Not vulnerable
(3.5.23-5ubuntu1)
precise Ignored

trusty Does not exist
(trusty was ignored)
upstream
Released (3.5.16)
wily Ignored
(end of life)
xenial
Released (3.5.12-1ubuntu7.5)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
Patches:
upstream: http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14016.patch (3.5)

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