CVE-2024-30254

Summary

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.

Affected Software

Weaknesses

• CWE-22: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/JCWasmx86/mesonlsp/security/advisories/GHSA-48c5-35fh-846h
• https://github.com/JCWasmx86/mesonlsp/commit/594b6334061371911cd59389124ab8af30ce0a3a

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/JCWasmx86/mesonlsp/security/advisories/GHSA-48c5-35fh-846h
• https://github.com/JCWasmx86/mesonlsp/commit/594b6334061371911cd59389124ab8af30ce0a3a

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