PHP 8.1,8.2,8.3 Cmd Injection via Windows Codepage (CVE-2024-8926)
CVE-2024-8926 Published on October 8, 2024
PHP CGI Parameter Injection Vulnerability (CVE-2024-4577 bypass)
In PHP versions 8.1.* before 8.1.30, 8.2.* before 8.2.24, 8.3.* before 8.3.12, when using a certain non-standard configurations of Windows codepages, the fixes for CVE-2024-4577 https://github.com/advisories/GHSA-vxpp-6299-mxw3 may still be bypassed and the same command injection related to Windows "Best Fit" codepage behavior can be achieved. This 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.
Vulnerability Analysis
CVE-2024-8926 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2024-8926 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2024-8926
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Affected Versions
PHP Group PHP:- Version 8.1.* and below 8.1.30 is affected.
- Version 8.2.* and below 8.2.24 is affected.
- Version 8.3.* and below 8.3.12 is affected.
- Version 8.1.0 and below 8.1.30 is affected.
- Version 8.2.0 and below 8.2.24 is affected.
- Version 8.3.0 and below 8.3.12 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.