The server has just executed the id command. The attacker now has Remote Code Execution (RCE).
Exploiting this is trivial. Because the script ignores HTTP headers and method types, an attacker can send a POST request to the file with a raw PHP payload in the body. vendor phpunit phpunit src util php eval-stdin.php exploit
A: Yes. CVE-2017-9841 is the official Common Vulnerabilities and Exposures identifier for the Remote Code Execution vulnerability found in the eval-stdin.php file within specific versions of PHPUnit. The server has just executed the id command
To protect against the vendor phpunit phpunit src util php eval-stdin.php exploit, developers should take the following steps: Because the script ignores HTTP headers and method
Unexpected processes like nc , bash , sh , python -c , or perl -e spawned by the web server user.
find . -path "*/phpunit/src/Util/PHP/eval-stdin.php" -exec ls -la {} \;
If you discover this file is exposed on your production architecture, apply the following fixes immediately. 1. Update PHPUnit via Composer