function that can be triggered via a simple HTTP POST request. National Institute of Standards and Technology (.gov)
If you find this file exposed on your system, take the following steps immediately to secure your infrastructure. 1. Remove Development Dependencies from Production
This vulnerability is officially tracked as (also known as the "PHPUnit RCE" vulnerability). It affects PHPUnit versions:
If you are seeing this string in your web server access logs, it is a sign that an automated bot or a researcher is probing your server
If this file is left on a production server and exposed to the internet via an open directory index, anyone can send an HTTP POST or GET request containing PHP code to that specific URL. The server will receive it, pass it to eval() , and execute it as if the attacker were sitting at the server's keyboard. index of vendor phpunit phpunit src util php eval-stdin.php
Order Deny,Allow Deny from all
The file eval-stdin.php was part of the PHPUnit testing framework . It was designed to receive PHP code via stdin (standard input) and execute it using the eval() function. vulhub/phpunit/CVE-2017-9841/README.md at master - GitHub
rm -rf vendor/phpunit/
The keyword refers to a critical security vulnerability known as CVE-2017-9841 . This vulnerability allows for Remote Code Execution (RCE) , which can lead to a complete server compromise if an attacker accesses this specific path on a web server. What is the PHPUnit Vulnerability? function that can be triggered via a simple
As a developer, you may have encountered the term "index of vendor phpunit phpunit src util php eval-stdin.php" while working on a PHP project. This phrase seems to be related to PHPUnit, a popular testing framework for PHP. In this article, we'll explore what this index refers to and its significance in the context of PHPUnit.
Even without directory indexing, if an attacker knows the exact path (which is well-documented online), they can still attempt to POST data to eval-stdin.php . But the presence of an index of listing makes reconnaissance trivial and massively increases the chance of automated scanners finding the vulnerability.
The best fix is to update your project's dependencies to a secure version of PHPUnit. Run: composer update phpunit/phpunit Use code with caution. 2. Remove Development Dependencies
The presence of this file on a public-facing production web server is dangerous due to a critical security vulnerability designated as . How the Exploit Works Order Deny,Allow Deny from all The file eval-stdin
Once found, they send a POST request with a payload starting with
rm vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php
: Edit .htaccess or httpd.conf :