php: command line arguments injection when run in CGI mode (VU#520827)

sapi/cgi/cgimain.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI script aka php-cgi, does not properly handle query strings that lack an = equals sign character, which allows remote attackers to execute arbitrary code by placing command-line options in the query string,...