The vulnerability stems from the eval-stdin.php script, which was intended to facilitate unit testing by processing code through standard input. In vulnerable versions, the script uses eval() to execute the contents of php://input —which, in a web context, reads the raw body of an HTTP POST request.
A PoC exploit for CVE-2017-9841 - PHPUnit Remote Code ... - GitHub
Successful exploitation grants the attacker arbitrary code execution under the permissions of the web server, leading to full server compromise, data theft (including .env files), and malware installation. Why This Vulnerability Persists
The vulnerability stems from the eval-stdin.php script, which was intended to facilitate unit testing by processing code through standard input. In vulnerable versions, the script uses eval() to execute the contents of php://input —which, in a web context, reads the raw body of an HTTP POST request.
A PoC exploit for CVE-2017-9841 - PHPUnit Remote Code ... - GitHub vendor phpunit phpunit src util php eval-stdin.php exploit
Successful exploitation grants the attacker arbitrary code execution under the permissions of the web server, leading to full server compromise, data theft (including .env files), and malware installation. Why This Vulnerability Persists The vulnerability stems from the eval-stdin