The Critical Legacy: Understanding and Fixing the PHPUnit eval-stdin.php RCE (CVE-2017-9841)
— Implement logging and alerting for access to eval-stdin.php . Any request to this file from external IPs should be treated as a potential security incident.
A: No. The vulnerable code was removed in PHPUnit versions 4.8.28 and 5.6.3 . If you are using a version higher than these (e.g., PHPUnit 6, 7, 8, 9, or 10), your PHPUnit installation is not vulnerable to this specific flaw.
curl -X POST http://target-site.com/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php \ -d "<?php echo 'VULNERABLE'; ?>" vendor phpunit phpunit src util php eval-stdin.php exploit
: Regularly review your security practices and code to prevent exploitation.
curl -X POST http://target-site.com/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php \ -d "<?php system('id'); ?>"
The flaw exists in how the eval-stdin.php script handles input. CVE-2017-9841 Detail - NVD The Critical Legacy: Understanding and Fixing the PHPUnit
Risk
If you want, I can:
A developer might update their main framework, but an obscure third-party package or legacy plugin might still bundle an outdated version of PHPUnit. The vulnerable code was removed in PHPUnit versions 4
CVE-2017-9841 (Primary), related to component usage. Affected Component: <phpunit>/src/Util/PHP/eval-stdin.php Severity: Critical (CVSS 9.8) Affected Versions: PHPUnit before 4.8.28 and 5.x before 5.6.3.
The phrase you're asking about refers to CVE-2017-9841 , a critical Remote Code Execution (RCE) vulnerability in . This flaw exists in versions prior to directory is left web-accessible. National Institute of Standards and Technology (.gov) Vulnerability Mechanism The root cause is found in the src/Util/PHP/eval-stdin.php file, which contained the following line of code: . file_get_contents( 'php://input' Use code with caution. Copied to clipboard This script reads the raw body of an HTTP POST request via php://input and executes it directly through the