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RedCloth Regular Expression Denial of Service issue

High severity GitHub Reviewed Published Jun 6, 2023 to the GitHub Advisory Database • Updated Jan 10, 2024

Package

bundler RedCloth (RubyGems)

Affected versions

< 4.3.3

Patched versions

4.3.3

Description

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.

References

Published by the National Vulnerability Database Jun 6, 2023
Published to the GitHub Advisory Database Jun 6, 2023
Reviewed Jun 6, 2023
Last updated Jan 10, 2024

Severity

High
7.5
/ 10

CVSS base metrics

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

Weaknesses

CVE ID

CVE-2023-31606

GHSA ID

GHSA-qcm3-vfq5-wfr2

Source code

Credits

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