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CVE-2019-8324 — Code injection in rubygems-update — CVE Details

HIGH

Code injection in RubyGems

Published June 20, 2019Updated February 16, 2024Source: osv

Summary

An issue was discovered in RubyGems 2.6 and later through 3.0.2. A crafted gem with a multi-line name is not handled correctly. Therefore, an attacker could inject arbitrary code to the stub line of gemspec, which is eval-ed by code in ensure_loadable_spec during the preinstall check.

Advisory Timeline

  • First published June 20, 2019 (2671 days ago).
  • Last revised February 16, 2024 — 1702 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update rubygems-update to 2.7.9 or later
gem install rubygems-update -v 2.7.9
Bundler
Update rubygems-update to 3.0.2 or later
gem install rubygems-update -v 3.0.2

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
rubygems-update
rubygems
2.6.0, 2.6.1, 2.6.10, 2.6.11 (+21 more)2.7.9
rubygems-update
rubygems
3.0.0, 3.0.13.0.2

Vulnerability Classification

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

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

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

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

References

Frequently Asked Questions

What is CVE-2019-8324?
Code injection in RubyGems This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2019-8324?
CVE-2019-8324 affects rubygems-update. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-8324 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-76wm-422q-92mq

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