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CVE-2024-4577: Argument Injection in PHP-CGI

Critical · CVSS 9.8 (CVSS 3.1)KEV known exploitedEPSS 100.0%, 100th percentilePublished Updated Assigner: php

In CISA’s Known Exploited Vulnerabilities catalog: PHP-CGI OS Command Injection Vulnerability.

Added , federal remediation due . Known ransomware use: Known.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Description

In PHP versions 8.1.* before 8.1.29, 8.2.* before 8.2.20, 8.3.* before 8.3.8, when using Apache and PHP-CGI on Windows, if the system is set up to use certain code pages, Windows may use "Best-Fit" behavior to replace characters in command line given to Win32 API functions. PHP CGI module may misinterpret those characters as PHP options, which may allow a malicious user to pass options to PHP binary being run, and thus reveal the source code of scripts, run arbitrary PHP code on the server, etc.

Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · CWE-78

Status incidents that name it

No tracked status incident names this CVE.

Affected vendors and products

php_group: phpPHP Group: PHP

References

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