Access Control: PHP 8.1.0-dev - Backdoor Remote Code Execution¶

Identifier: php_zerodium_backdoor_rce

Scanner(s) Support¶

Description¶

PHP 8.1.0-dev contains a backdoor dubbed 'zerodiumvar_dump' that can allow the execution of arbitrary PHP code, potentially giving attackers full control over the server.

How we test: We test for the PHP 8.1.0-dev backdoor by attempting to execute commands through the zerodiumvar_dump backdoor and analyzing responses to detect if arbitrary PHP code execution is possible.

Reference:

• https://news-web.php.net/php.internals/113838
• https://flast101.github.io/php-8.1.0-dev-backdoor-rce/
• https://github.com/flast101/php-8.1.0-dev-backdoor-rce/blob/main/revshell_php_8.1.0-dev.py

Configuration¶

Example¶

Example configuration:

---
security_tests:
  php_zerodium_backdoor_rce:
    skip: false

Reference¶

skip¶

Type : boolean

Skip the test if true.