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CVE-2022-33127 — Improper handling of double quotes in diffy — CVE...

CRITICAL

Improper handling of double quotes in file name in Diffy in Windows environment

Published June 24, 2022Updated December 8, 2024Source: osv

Summary

The function that calls the diff tool in versions of Diffy prior to 3.4.1 does not properly handle double quotes in a filename when run in a Windows environment. This allows attackers to execute arbitrary commands via a crafted string.

Advisory Timeline

  • First published June 24, 2022 (1571 days ago).
  • Last revised December 8, 2024 — 898 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update diffy to 3.4.1 or later
gem install diffy -v 3.4.1

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

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
diffy
rubygems
1.1.0, 2.0.0, 2.0.1, 2.0.10 (+26 more)3.4.1

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

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

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

References

Frequently Asked Questions

What is CVE-2022-33127?
Improper handling of double quotes in file name in Diffy in Windows environment This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2022-33127?
CVE-2022-33127 affects diffy. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2022-33127 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-5ww9-9qp2-x524

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