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

: If the file returns an HTTP 200 status code, the attacker transmits a payload (such as system('id'); or a complex web shell script).

Despite being patched in 2017, this vulnerability remains highly relevant today. Attackers continuously use automated bots to scan the internet for misconfigured web servers that expose production code repositories or vendor directories. What is CVE-2017-9841?

— The eval() function should be avoided entirely in web applications, but it should never be applied to unvalidated input from external sources. vendor phpunit phpunit src util php eval-stdin.php exploit

Successful exploitation can lead to:

: The server executes the payload and returns the command output directly in the HTTP response. : If the file returns an HTTP 200

Never install dev dependencies in production.

Using curl , an attacker can execute system commands: What is CVE-2017-9841

Check for unauthorized files in your /vendor path or any unusual outgoing connections, which could indicate a successful breach. CVE-2017-9841 Detail - NVD

Using curl (the most common tool for this exploit):