Path Traversal in Jcwasmx86 Mesonlsp
CVE-2024-30254
MesonLSP is an unofficial, unendorsed language server for meson written in C++. A vulnerability in versions prior to 4.1.4 allows overwriting arbitrary files if the attacker can make the victim either run the language server within a specific crafted project or `mesonlsp --full`. Version 4.1.4 contains a patch for this issue. As a workaround, avoid running `mesonlsp --full` and set the language server option `others.neverDownloadAutomatically` to `true`.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.002 (8.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L.
Affected products
- Jcwasmx86 Mesonlsp — versions < 4.1.4
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-30254?
- CVE-2024-30254 is a medium-severity vulnerability in Jcwasmx86 Mesonlsp, classified under Path Traversal. CVSS score: 5.8/10. Published 2024-04-04.
- How severe is CVE-2024-30254?
- Medium severity. CVSS v3 base score is 5.8 out of 10.