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Vulnerability Details : CVE-2016-5387

The Apache HTTP Server through 2.4.23 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 "This mitigation has been assigned the identifier CVE-2016-5387"; in other words, this is not a CVE ID for a vulnerability.
Publish Date : 2016-07-18 Last Update Date : 2018-01-18
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 284

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2016:1421: httpd security update (Important) oval:com.redhat.rhsa:def:20161421 unix
RHSA-2016:1422: httpd security and bug fix update (Important) oval:com.redhat.rhsa:def:20161422 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-5387

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Http Server 2.4.23 Version Details Vulnerabilities
2 OS Fedoraproject Fedora 23 Version Details Vulnerabilities
3 OS Fedoraproject Fedora 24 Version Details Vulnerabilities
4 Application HP System Management Homepage Version Details Vulnerabilities
5 OS Oracle Linux 5.0 Version Details Vulnerabilities
6 OS Oracle Linux 6.0 Version Details Vulnerabilities
7 OS Oracle Linux 7.0 Version Details Vulnerabilities
8 OS Oracle Solaris 11.3 Version Details Vulnerabilities
9 Application Redhat Jboss Web Server 2.1.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Http Server 1
Fedoraproject Fedora 2
HP System Management Homepage 1
Oracle Linux 3
Oracle Solaris 1
Redhat Jboss Web Server 1

- References For CVE-2016-5387[email protected]/message/QPQAPWQA774JPDRV4UIB2SZAX6D3UZCV/
GENTOO GLSA-201701-36[email protected]/message/NEKZAB7MTWVSMORHTEMCQNFFMIHCYF76/
FEDORA FEDORA-2016-9fd9bfab9e
SECTRACK 1036330
REDHAT RHSA-2016:1420
REDHAT RHSA-2016:1421
REDHAT RHSA-2016:1422
REDHAT RHSA-2016:1635
REDHAT RHSA-2016:1636
FEDORA FEDORA-2016-a29c65b00f
REDHAT RHSA-2016:1624
BID 91816 Apache HTTP Server CVE-2016-5387 Security Bypass Vulnerability Release Date:2017-03-29
REDHAT RHSA-2016:1648
REDHAT RHSA-2016:1650
CERT-VN VU#797896
SUSE openSUSE-SU-2016:1824

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2016-5387

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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