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CVE-2019-18409 — Vulnerability in ruby_parser-legacy — CVE Details

HIGH

Ruby_parser-legacy Incorrect Permission Assignment for Critical Resource

Published October 25, 2019Updated February 16, 2024Source: osv

Summary

The ruby_parser-legacy (aka legacy) gem 1.0.0 for Ruby allows local privilege escalation because of world-writable files. For example, if the brakeman gem (which has a legacy dependency) 4.5.0 through 4.7.0 is used, a local user can insert malicious code into the `ruby_parser-legacy-1.0.0/lib/ruby_parser/legacy/ruby_parser.rb` file.

Advisory Timeline

  • First published October 25, 2019 (2544 days ago).
  • Last revised February 16, 2024 — 1575 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
ruby_parser-legacy
rubygems
1.0.0Range-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-732
    Incorrect Permission AssignmentMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.8 score means for each attack dimension.

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2019-18409?
Ruby_parser-legacy Incorrect Permission Assignment for Critical Resource This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.8/10).
How do I check if my project is affected by CVE-2019-18409?
CVE-2019-18409 affects ruby_parser-legacy. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-18409 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-hhwc-8g49-j8jx

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