CVE-2024-4577 in php
LogPulse has a published detection rule for this CVE: it raises a notable when someone tries to exploit it.
What the vulnerability is
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.
Affected software: php, fedoraproject fedora
Scores
- CVSS: 9.8 (critical)
- EPSS: 99.99% chance of exploitation in the next 30 days
- CISA KEV: Known exploited, listed 2024-06-12, used in ransomware
- Published: 2024-06-09
What LogPulse has for it
- Detection rule: Yes, published
- Agent check (vulnerable version): Yes, published
- Mitigation: No
Source data: NIST NVD, CISA KEV and FIRST EPSS. LogPulse processes new CVEs every hour.
We build every detection with great care, but no two environments are the same. Log sources, parsing and configuration differ, so test a detection in your own environment before you rely on it.