CVE-2016-4553

HIGH

Canonical Ubuntu Linux < 3.5.17 - Data Authenticity Bypass

Title source: rule
STIX 2.1

Description

client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attackers to conduct cache-poisoning attacks via an HTTP request.

References (13)

Core 13
Core References
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201607-01
Vendor Advisory x_refsource_confirm
http://bugs.squid-cache.org/show_bug.cgi?id=4501
Vendor Advisory x_refsource_confirm
http://www.squid-cache.org/Advisories/SQUID-2016_7.txt
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2995-1
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2016:1140
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2016:1139
Third Party Advisory vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1035768
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3625

Scores

CVSS v3 8.6
EPSS 0.7965
EPSS Percentile 99.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Details

CWE
CWE-345
Status published
Products (15)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 15.10
canonical/ubuntu_linux 16.04
oracle/linux 7
squid-cache/squid 4.0.1
squid-cache/squid 4.0.2
squid-cache/squid 4.0.3
squid-cache/squid 4.0.4
squid-cache/squid 4.0.5
... and 5 more
Published May 10, 2016
Tracked Since Feb 18, 2026