Php Eval-stdin.php Cve [better] | Vendor Phpunit Phpunit Src Util

If you're using an older branch, ensure you are on at least version 4.8.28 .

The critical flaw in this script stems from a single line of code: eval('?>' . file_get_contents('php://input')); Use code with caution. Why This Is Dangerous

The best fix is updating PHPUnit via Composer: composer update phpunit/phpunit Use code with caution.

An attacker can trigger remote command execution by issuing an unauthenticated HTTP POST request directly to the vulnerable path: vendor phpunit phpunit src util php eval-stdin.php cve

When it comes to scripts like eval-stdin.php , which might use eval() or similar functions:

: This flaw impacts PHPUnit versions prior to 4.8.28 and 5.x versions prior to 5.6.3 . How the Exploit Works

Successful exploitation of this vulnerability can lead to: If you're using an older branch, ensure you

. Because it does not require authentication or perform input validation, an attacker can send a HTTP POST request

The problem lies in the vulnerable versions of PHPUnit where the eval-stdin.php file uses the php://input wrapper to read incoming data. The vulnerable code originally looked like: eval('?>'.file_get_contents('php://input'));

is a critical Remote Code Execution (RCE) vulnerability affecting specific versions of PHPUnit , a widely used unit testing framework for PHP. The flaw resides in the eval-stdin.php script, which utilizes the eval() function to execute PHP code. When this file is accessible over a web server, an attacker can send a POST request with a PHP payload to achieve arbitrary code execution. This vulnerability is cataloged as CWE-94 (Improper Control of Generation of Code, or 'Code Injection') . Why This Is Dangerous The best fix is

:

: The php://input stream is a read-only wrapper that allows developers to read raw data from an HTTP POST request body.

is a critical-severity vulnerability in PHPUnit, the most widely used unit testing framework for PHP. With a CVSS v3 score of 9.8 (Critical) , this vulnerability allows an unauthenticated remote attacker to execute arbitrary PHP code on a target server by simply sending a crafted HTTP POST request to the exposed file.

Because this script executed without verifying who sent the request or checking if it was running inside a secure command-line environment, any external visitor capable of reaching the URL could pass arbitrary payloads directly into the host operating system. The Mechanics of an Attack