curl -X POST http://target-site.com/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php \ -d "<?php echo 'VULNERABLE'; ?>"
Risk
Once RCE is confirmed, an attacker can deploy: vendor phpunit phpunit src util php eval-stdin.php exploit
The "vendor phpunit phpunit src util php eval-stdin.php exploit" highlights the importance of keeping your software components up-to-date and securing access to utility files. Given the potential for significant damage, understanding and mitigating this vulnerability is crucial for developers and security professionals alike. Stay vigilant, keep your software updated, and protect your servers from potential exploits.
request containing arbitrary PHP code to that URL. The server will then execute that code with the same permissions as the web server [1, 3]. How to Mitigate It If you are managing a project where this file exists: Restrict Access: Ensure your curl -X POST http://target-site
The vulnerability arises because the script blindly reads from php://stdin and passes the content directly to the eval() function. Crucially, this file is not protected by an authentication check or a mechanism to prevent web access.
If you're using an outdated version of PHPUnit, I strongly recommend updating to a newer version to prevent exploitation of this vulnerability. Additionally, ensure that your PHPUnit installation is properly configured and secured. request containing arbitrary PHP code to that URL
Technical details (concise)