A developer copies a legacy project from five years ago. The lock file says phpunit/phpunit: 4.5.0 . They upload it, and the vulnerability is instantly live.
To mitigate this vulnerability, it is essential to update PHPUnit to a version that is not vulnerable (e.g., PHPUnit 7.5.0 or later). Additionally, users should ensure that their PHPUnit installation is properly configured and that the eval-stdin.php file is not accessible to unauthorized parties. vendor phpunit phpunit src util php eval-stdin.php exploit
This is a report on the CVE-2017-9841 vulnerability, a critical remote code execution (RCE) flaw in the PHPUnit testing framework. National Institute of Standards and Technology (.gov) Vulnerability Overview Vulnerability Name : PHPUnit Remote Code Execution (RCE). CVE-2017-9841 9.8 Critical (CVSS v3.x). Target File vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php Technical Description The script eval-stdin.php was designed to read PHP code from standard input ( ) and execute it using . In misconfigured production environments where the A developer copies a legacy project from five years ago