Untrusted CGI Client Data Vulnerability in Apache HTTP Server for Apple OS X
CVE-2016-4694

9.1CRITICAL

Key Information:

Vendor: Apple
Status: Mac Os X; Os X Server
Vendor: CVE Published:; 25 September 2016

What is CVE-2016-4694?

The Apache HTTP Server on specific versions of Apple OS X and OS X Server is vulnerable due to its failure to adequately handle untrusted CGI client data in the HTTP_PROXY environment variable. This weakness can enable remote attackers to potentially hijack applications' outbound HTTP communications by using a specially crafted Proxy header in HTTP requests, leading to unintended redirection to arbitrary proxy servers. Such behavior can be exploited to intercept or manipulate the traffic of affected applications, raising significant security concerns.

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