CVE-2016-5387 – HTTPD: sets environmental variable based on user supplied Proxy request header

https://notcve.org/view.php?id=CVE-2016-5387

18 Jul 2016 — 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 fo... • http://lists.opensuse.org/opensuse-updates/2016-07/msg00059.html • CWE-20: Improper Input Validation •