The CVE-2022-0847 vulnerability in PHPUnit highlights the importance of keeping software up-to-date and implementing robust security measures. To protect against this vulnerability:
// ...
Many developers leave the vendor folder exposed to the public through improper web server configurations (e.g., pointing the document root to the project root instead of the /public folder). vendor phpunit phpunit src util php eval-stdin.php cve
Development dependencies should never live in production. Follow best practices:
<?php system('id'); ?>
This line reads the raw body of an HTTP request (via php://input ) and executes it using the eval() function. If the /vendor folder is publicly accessible from the web, anyone can send a crafted POST request to execute arbitrary code on your server. PHPUnit 4.x: Prior to version 4.8.28 PHPUnit 5.x: Prior to version 5.6.3 Exploitation Example CVE-2017-9841 Detail - NVD
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The keyword path vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php refers to , an unauthenticated Remote Code Execution (RCE) flaw in PHPUnit. Disclosed initially in June 2017, this vulnerability remains a primary vehicle for modern botnets—including Androxgh0st, Kinsing, and KashmirBlack—to breach production web servers.