What is the CVSS score of CVE-2024-30254?

CVE-2024-30254 has a CVSS 3.1 base score of 5.8 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L. EPSS exploitation probability: 0.2%.

MesonLSP CVE-2024-30254

MEDIUM

Path Traversal (CWE-22)

2024-04-04 security-advisories@github.com

Path Traversal

5.8

CVSS 3.1 · Vendor: github

Severity by source

Vendor (github) PRIMARY

5.8 MEDIUM

AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L

Primary rating from Vendor (github) · only source for this CVE.

CVSS VectorVendor: github

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

Low

Lifecycle Timeline

CVE Published

Apr 04, 2024 - 19:15 cve.org

MEDIUM 5.8

DescriptionCVE.org

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.

AnalysisAI

MesonLSP is an unofficial, unendorsed language server for meson written in C++. Rated medium severity (CVSS 5.8), this vulnerability is no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. 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. Version information: prior to 4.1.4.

Affected ProductsAI

C++. A vulnerability in versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.