Vulnerability CVE-2016-5388
Published: 2016-07-18   Modified: 2016-07-19

Description:
Apache Tomcat 7.x through 7.0.70 and 8.x through 8.5.4, when the CGI Servlet is enabled, follows RFC 3875 section 4.1.18 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, aka an "httpoxy" issue. NOTE: the vendor states "A mitigation is planned for future releases of Tomcat, tracked as CVE-2016-5388"; in other words, this is not a CVE ID for a vulnerability.

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 hpc node 
Redhat -> Enterprise linux hpc node eus 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server eus 
Redhat -> Enterprise linux server tus 
Redhat -> Enterprise linux workstation 
Oracle -> Linux 
HP -> System management homepage 
Apache -> Tomcat 

 References:
http://lists.opensuse.org/opensuse-updates/2016-09/msg00025.html
http://rhn.redhat.com/errata/RHSA-2016-1624.html
http://rhn.redhat.com/errata/RHSA-2016-2045.html
http://rhn.redhat.com/errata/RHSA-2016-2046.html
http://www.kb.cert.org/vuls/id/797896
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.securityfocus.com/bid/91818
http://www.securitytracker.com/id/1036331
https://access.redhat.com/errata/RHSA-2016:1635
https://access.redhat.com/errata/RHSA-2016:1636
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-c05324759
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
https://httpoxy.org/
https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272@%3Cissues.activemq.apache.org%3E
https://lists.debian.org/debian-lts-announce/2019/08/msg00015.html
https://tomcat.apache.org/tomcat-7.0-doc/changelog.html
https://www.apache.org/security/asf-httpoxy-response.txt
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