Vulnerability · Published Sep 20, 2022 · Assigned by GitHub_M

CVE-2022-39221Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') McWebserver Minecraft Mod

High 7.5

In plain English

A high-severity path traversal in McWebserver from J-onasJones. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)1.0%top 35.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
J-onasJones	McWebserver	< 0.2.0

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://github.com/J-onasJones/McWebserver/security/advisories/GHSA-gcvq-42cx-r46q x_refsource_CONFIRM
https://github.com/J-onasJones/McWebserver/pull/1 x_refsource_MISC