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CVE-2016-4554

Good to know:

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Date: May 10, 2016

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.

Language: C++

Severity Score

Related Resources (22)

https://nvd.nist.gov/vuln/detail/CVE-2016-4554
http://www.debian.org/security/2016/dsa-3625
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
http://www.squid-cache.org/Advisories/SQUID-2016_8.txt
https://access.redhat.com/errata/RHSA-2016:1140
http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_8.patch
http://www.squid-cache.org/Versions/v3/3.3/changesets/SQUID-2016_8.patch
http://www.securitytracker.com/id/1035769
https://access.redhat.com/security/cve/CVE-2016-4554
https://security-tracker.debian.org/tracker/CVE-2016-4554
https://security.gentoo.org/glsa/201607-01
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
http://www.ubuntu.com/usn/USN-2995-1
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
http://www.squid-cache.org/Versions/v3/3.2/changesets/SQUID-2016_8.patch
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-4554
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID-2016_8.patch
http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patch
https://access.redhat.com/errata/RHSA-2016:1138
https://access.redhat.com/errata/RHSA-2016:1139
https://www.mend.io/vulnerability-database/CVE-2016-4554

Severity Score

Weakness Type (CWE)

Insufficient Verification of Data Authenticity

CWE-345

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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