Apache HTTP Server HTTP_PROXY environment variable Vulnerability (CVE-2016-5387)

Apache HTTP Server HTTP_PROXY environment variable Vulnerability (CVE-2016-5387)
Apache HTTP Server HTTP_PROXY environment variable Vulnerability (CVE-2016-5387)

Release date:
Updated on:

Affected Systems:

Apache Group HTTP Server < 2.4.23

Description:

CVE (CAN) ID: CVE-2016-5387

Apache HTTP Server is an open-source Web Server of the Apache Software Foundation.

For Apache HTTP Server <2.4.23 and RFC 3875 section 4.1.18, a namespace conflict exists. The HTTP_PROXY environment variable fails to filter the constructed client data. Remote attackers can construct the Proxy header of an HTTP request to redirect the HTTP data stream of an application to any Proxy server.

<* Source: Dominic Scheirlinck
Scott Geary
*>

Suggestion:

Vendor patch:

Apache Group
------------
The vendor has released a patch to fix this security problem. Please download it from the vendor's homepage:

Http://httpd.apache.org/

Refer:
Https://www.apache.org/security/asf-httpoxy-response.txt
Http://www.kb.cert.org/vuls/id/797896
Https://httpoxy.org/

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