CVE-2022-23626 Information

Description

m1k1o/blog is a lightweight self-hosted facebook-styled PHP blog. Errors from functions imagecreatefrom and image have not been checked properly. Although PHP issued warnings and the upload function returned false the original file (that could contain a malicious payload) was kept on the disk. Users are advised to upgrade as soon as possible. There are no known workarounds for this issue.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/m1k1o/blog/security/advisories/GHSA-wmqj-5v54-24x4 https://github.com/m1k1o/blog/commit/6f5e59f1401c4a3cf2e518aa85b231ea14e8a2ef http://packetstormsecurity.com/files/167235/m1k1os-Blog-1.3-Remote-Code-Execution.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8