CVE-2016-4553

MEDIUM

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

http://bugs.squid-cache.org/show_bug.cgi?id=4501

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html

http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html

http://www.debian.org/security/2016/dsa-3625

http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

http://www.securitytracker.com/id/1035768

http://www.squid-cache.org/Advisories/SQUID-2016_7.txt

http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14039.patch

http://www.ubuntu.com/usn/USN-2995-1

https://access.redhat.com/errata/RHSA-2016:1139

https://access.redhat.com/errata/RHSA-2016:1140

https://security.gentoo.org/glsa/201607-01

Details

Source: MITRE

Published: 2016-05-10

Updated: 2016-11-30

Type: CWE-345

Risk Information

CVSS v2.0

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Impact Score: 4

Exploitability Score: 3.9

Severity: HIGH