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CVE-2019-8321

HIGH

RubyGems Escape sequence injection vulnerability in verbose

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

Summary

An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.

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)

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) 7.5 score means for each attack dimension.

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

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

References

Frequently Asked Questions

What is CVE-2019-8321?
RubyGems Escape sequence injection vulnerability in verbose This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2019-8321?
CVE-2019-8321 affects rubygems-update. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-8321 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-fr32-gr5c-xq5c

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