Vulnerability analysis of PHP-CGI query string parameter vulnerability
This vulnerability is associated with CVE id 2012-1823, which is the PHP-CGI query string parameter vulnerability. According to the PHP site, when PHP is used in a CGI-based setup (such as Apache's mod_cgid), php-cgi receives a processed query string parameter as command-line argument, which allows command-line switches, such as -s, -d or -c, to be passed to the php-cgi binary, which can be exploited to disclose source code and obtain arbitrary code execution. Therefore, a remote unauthenticated attacker could obtain sensitive information, cause a DoS condition, or may be able to execute arbitrary code with the privileges of the web server.
A common example of this vulnerability ...
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