CVE-2024-27923

Remote Code Execution by uploading a phar file using frontmatter

State: Published
Severity: 8.8 High
Published: Mar 6, 2024
Updated: Aug 2, 2024
Reserved: Feb 28, 2024

Description

Grav is a content management system (CMS). Prior to version 1.7.43, users who may write a page may use the `frontmatter` feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-287 Improper Authentication
CWE-434 Unrestricted Upload of File with Dangerous Type

Affected Products

Product	Versions
gravgetgrav	< 1.7.43Affected

References

https://github.com/getgrav/grav/security/advisories/GHSA-f6g2-h7qv-3m5v
https://github.com/getgrav/grav/commit/e3b0aa0c502aad251c1b79d1ee973dcd93711f07

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