CVE-2016-5385 Information

Description

PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable which might allow remote attackers to redirect an application’s outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request as demonstrated by (1) an application that makes a getenv(‘HTTP_PROXY’) call or (2) a CGI configuration of PHP aka an \httpoxy\ issue.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html http://rhn.redhat.com/errata/RHSA-2016-1609.html http://rhn.redhat.com/errata/RHSA-2016-1610.html http://rhn.redhat.com/errata/RHSA-2016-1611.html http://rhn.redhat.com/errata/RHSA-2016-1612.html http://rhn.redhat.com/errata/RHSA-2016-1613.html http://www.debian.org/security/2016/dsa-3631 http://www.kb.cert.org/vuls/id/797896 http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html http://www.securityfocus.com/bid/91821 http://www.securitytracker.com/id/1036335 https://bugzilla.redhat.com/show_bug.cgi?id=1353794 https://github.com/guzzle/guzzle/releases/tag/6.2.1 https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03770en_us https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05333297 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 https://httpoxy.org/ https://lists.fedoraproject.org/archives/list/[email protected]/message/7RMYXAVNYL2MOBJTFATE73TOVOEZYC5R/ https://lists.fedoraproject.org/archives/list/[email protected]/message/GXFEIMZPSVGZQQAYIQ7U7DFVX3IBSDLF/ https://lists.fedoraproject.org/archives/list/[email protected]/message/KZOIUYZDBWNDDHC6XTOLZYRMRXZWTJCP/ https://security.gentoo.org/glsa/201611-22 https://www.drupal.org/SA-CORE-2016-003

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1