Microsoft Corporation Information for VU#797896
CGI web servers assign Proxy header values from client requests to internal HTTP_PROXY environment variables
- Vendor Information Help Date Notified: 12 Jul 2016
- Statement Date:
- Date Updated: 13 Jul 2016
If you have installed PHP or any other third party framework on top of IIS, we recommend applying mitigation steps to protect from malicious Redirection or MiM attacks.
Update apphost.config with the following rule:
<rule name=3D"Erase HTTP_PROXY" patternSyntax=3D"Wildcard">
<match url=3D"*.*" />
<set name=3D"HTTP_PROXY" value=3D"" />
<action type=3D"None" />
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