Insufficient verification of data authenticity in Squid - CVE-2016-4554
Published: May 10, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32271
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-4554
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Squid-cache.org
Affected software:
Squid
Squid
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a "header smuggling" issue.
How to mitigate CVE-2016-4554
Install update from vendor's website.
Sources
- 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/1035769
- http://www.squid-cache.org/Advisories/SQUID-2016_8.txt
- http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID-2016_8.patch
- http://www.squid-cache.org/Versions/v3/3.2/changesets/SQUID-2016_8.patch
- http://www.squid-cache.org/Versions/v3/3.3/changesets/SQUID-2016_8.patch
- http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patch
- http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_8.patch
- http://www.ubuntu.com/usn/USN-2995-1
- https://access.redhat.com/errata/RHSA-2016:1138
- https://access.redhat.com/errata/RHSA-2016:1139
- https://access.redhat.com/errata/RHSA-2016:1140
- https://security.gentoo.org/glsa/201607-01