CVE-2016-4553

High

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.

SeverityHigh

CVSS8.6

Exploit probability—

Product

Squid

PublishedMay 10, 2016

First seenMay 10, 2016

How to fix

Vendor advisories

security.gentoo.org/glsa/201607-01
access.redhat.com/errata/RHSA-2016:1140
access.redhat.com/errata/RHSA-2016:1139

Affected products

Product	Affected versions	Fixed in
squid-cache squid	v ≤ 3.5.17, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.0.8, 4.0.9	—
canonical ubuntu_linux	12.04, 14.04, 15.10, 16.04	—
oracle linux	7	—

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