Vendor Phpunit Phpunit Src Util Php Eval-stdin.php Exploit [updated]
Developers use it during development to run test suites and ensure code changes do not break existing functionality. The Root Cause of the Exploit
RewriteEngine On RewriteRule ^.*$ - [F,L] Use code with caution. 4. Remove Development Dependencies in Production
The vulnerability exists in the eval-stdin.php script, which was included in PHPUnit versions before 4.8.28 and 5.x before 5.6.3. vendor phpunit phpunit src util php eval-stdin.php exploit
(and the entire PHPUnit development dependency from production):
eval-stdin.php reads and executes it. The server returns the output of the command back to the attacker. Impact of Successful Exploitation Developers use it during development to run test
: An HTTP status code of 200 OK indicates the file is exposed and active.
PHPUnit is the de facto standard for unit testing in PHP applications. Developers use it to write and run tests that ensure individual units of source code (like functions or methods) behave as expected. It is typically installed as a via Composer. Impact of Successful Exploitation : An HTTP status
The eval() function evaluates the stream string as active PHP code.
This file was included as part of PHPUnit’s internal mechanics for process isolation. According to analysis from the SANS Internet Storm Center (ISC), the original purpose of this script was to receive PHP code over php://stdin and execute it using PHP's eval() function during unit tests.
curl -X POST https://target.com/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php \ -d "<?php system('id'); ?>"