Web Server Internal IP Address/Internal Network Name Disclosure Vulnerability

Posted May 15, 2018 4.2k views

I got McAfee vulnerability scan result. Don’t know how to fix this issue

Some Web servers contain a vulnerability giving remote attackers the ability to attain your internal IP address or internal network name. An attacker connected to a host on your network using HTTPS (typically on port 443) could craft a specially formed GET request from the Web server resulting in a 3XX Object Moved error message containing the internal IP address or internal network name of the Web server. A target host using HTTP may also be vulnerable to this issue. QID Detection Logic: The remote check for the web server internal IP address sends a HTTP GET request to the target web server. The QID is flagged if a “Content-location:” header or a 3xx redirect address in an HTTP response contains an RFC1918 IP address. PCI DSS 3.2 requirement 1.3.7 “do not disclose private IP addresses and routing information to unauthorized parties”. This is an “automatic failure” per ASV Program Guide 6.3.3, #4 (page 32).

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