Index Of Vendor Phpunit Phpunit Src Util Php Eval-stdin.php
Even without directory listing, an attacker can guess or brute-force the path if Composer’s autoloader is exposed.
The original code of eval-stdin.php is deceptively simple:
The file is typically located within the project's dependency directory: /[project-root]/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php The script contains code similar to this: echo eval(file_get_contents('php://input')); Use code with caution.
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Search your web server access logs for HTTP POST requests directed at eval-stdin.php .
For Nginx:
public function testMyMethod()
enabled. Instead of showing a webpage, these servers list all files in a folder. Finding this specific path in a directory listing confirms that the PHPUnit framework is installed and its internal utility files are reachable via the web. CVE Details Persistent Threat & Malware
eval() takes that string data and executes it immediately as active server-side PHP code.
Below is a simple PHP script that checks for the existence of the specified file and then uses it to execute a PHPUnit test. Please adjust the test suite and file paths as needed. Even without directory listing, an attacker can guess
Delete eval-stdin.php from the server:
Ensure that PHPUnit is not present on your production server. Update your deployment pipeline to use the --no-dev flag when installing dependencies via Composer: composer install --no-dev --optimize-autoloader Use code with caution.
If you cannot run a clean deployment immediately, manually delete the vulnerable PHPUnit folder from your production server: rm -rf vendor/phpunit/phpunit Use code with caution. 3. Disable Directory Indexing This link or copies made by others cannot be deleted
This flaw allows unauthenticated attackers to execute arbitrary PHP code on a server.