CVE-2022-39221 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') McWebserver Minecraft Mod
An attacker can read arbitrary files accessible by the server via HTTP requests due to a path traversal vulnerability in the McWebserver Minecraft mod.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-39221?
CVE-2022-39221 is a high-severity path traversal vulnerability in J-onasJones McWebserver, published on 20 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
McWebserver mod runs a simple HTTP server alongside the Minecraft server in seperate threads. Path traversal in McWebserver Minecraft Mod for Fabric and Quilt up to and including 0.1.2.1 and McWebserver Minecraft Mod for Forge up to and including 0.1.1 allows all files, accessible by the program, to be read by anyone via HTTP request. Version 0.2.0 with patches are released to both platforms (Fabric and Quilt, Forge). As a workaround, the McWebserver mod can be disabled by removing the file from the `mods` directory.
Weakness: CWE-22
Which versions are affected by CVE-2022-39221?
It affects 2 products.
Products include Mcwebserver Minecraft Mod for Fabric and Quilt Project Mcwebserver Minecraft Mod for Fabric and Quilt, Mcwebserver Minecraft Mod for Forge Project Mcwebserver Minecraft Mod for Forge.
How do I fix CVE-2022-39221?
No fix has been published for CVE-2022-39221 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-2022-39221 being exploited?
There is no known exploitation of CVE-2022-39221 in the wild and no public exploit code.