CVE-2024-43395 CraftOS-PC 2's improperly sanitizied paths cause filesystem escape (Windows)
Attackers can bypass path sanitization to access or modify arbitrary files on the host system via directory traversal in CraftOS-PC 2 on Windows.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-43395?
CVE-2024-43395 is a high-severity path traversal vulnerability in MCJack123 craftos2, published on 16 Aug 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
CraftOS-PC 2 is a rewrite of the desktop port of CraftOS from the popular Minecraft mod ComputerCraft using C++ and a modified version of PUC Lua, as well as SDL for drawing. Prior to version 2.8.3, users of CraftOS-PC 2 on Windows can escape the computer folder and access files anywhere without permission or notice by obfuscating `..`s to bypass the internal check preventing parent directory traversal. Version 2.8.3 contains a patch for this issue.
Weakness: CWE-22
Which versions are affected by CVE-2024-43395?
How do I fix CVE-2024-43395?
No fix has been published for CVE-2024-43395 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2024-43395 being exploited?
There is no known exploitation of CVE-2024-43395 in the wild and no public exploit code.
Sources
Also known as GHSA-hr3w-wc83-6923.