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CVE-2016-2571

Published: 27 February 2016

http.cc in Squid 3.x before 3.5.15 and 4.x before 4.0.7 proceeds with the storage of certain data after a response-parsing failure, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) via a malformed response.

Notes

AuthorNote
mdeslaur
needs substantial backporting

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
Released (3.1.19-1ubuntu3.12.04.6)
trusty
Released (3.3.8-1ubuntu6.6)
upstream
Released (3.5.15, 4.0.7)
wily
Released (3.3.8-1ubuntu16.2)
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-3.5-13990.patch
upstream: http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13991.patch
upstream: http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13993.patch
upstream: http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13998.patch

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