Vulnerability CVE-2016-5385
Published: 2016-07-18   Modified: 2016-07-19

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.

See advisories in our WLB2 database:
Topic
Author
Date
High
Drupal 8.1.6 HTTP traffic to an arbitrary proxy server
Guzzle
19.07.2016

Type:

CWE-284

 (Improper Access Control)

CVSS2 => (AV:N/AC:H/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.1/10
6.4/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux workstation 
PHP -> PHP 
Oracle -> Linux 
HP -> System management homepage 
HP -> Storeever msl6480 tape library firmware 
Fedoraproject -> Fedora 

 References:
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/package-announce@lists.fedoraproject.org/message/7RMYXAVNYL2MOBJTFATE73TOVOEZYC5R/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GXFEIMZPSVGZQQAYIQ7U7DFVX3IBSDLF/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KZOIUYZDBWNDDHC6XTOLZYRMRXZWTJCP/
https://security.gentoo.org/glsa/201611-22
https://www.drupal.org/SA-CORE-2016-003
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