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CVE-2023-31606 — Vulnerability in RedCloth — CVE Details

HIGH

RedCloth Regular Expression Denial of Service issue

Published June 6, 2023Updated February 16, 2024Source: osv

Summary

A Regular Expression Denial of Service (ReDoS) issue was discovered in the `sanitize_html` function of RedCloth gem. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.

Advisory Timeline

  • First published June 6, 2023 (1224 days ago).
  • Last revised February 16, 2024 — 255 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update RedCloth to 4.3.3 or later
gem install RedCloth -v 4.3.3

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

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
RedCloth
rubygems
3.0.0, 3.0.1, 3.0.2, 3.0.3 (+24 more)4.3.3

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
None
Availability
High

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

References

Frequently Asked Questions

What is CVE-2023-31606?
RedCloth Regular Expression Denial of Service issue 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-2023-31606?
CVE-2023-31606 affects RedCloth. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-31606 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-qcm3-vfq5-wfr2

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More RubyGems advisories

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