CVE-2016-4554 Information

Description

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

8.6