The function that calls the diff tool in Diffy 3.4.1 does not properly handle double…
Priority MEDIUM 46Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
The function that calls the diff tool in Diffy 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.
Why it matters now
EPSS 0.01837 79th percentileScored 2026-11-07
Fix Fixed diffy (RubyGems): 3.4.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | diffy (RubyGems) | before 3.4.1 | 3.4.1 | Patch available | GHSA-5ww9-9qp2-x524 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- diffy (RubyGems) Vendor— Affected before 3.4.1 Fixed in 3.4.1 Patch available GHSA-5ww9-9qp2-x524
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:diffy_project:diffy:3.4.1:*:*:*:*:ruby:*:* | 3.4.1 | Vulnerable | Diffy Project |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:diffy_project:diffy:3.4.1:*:*:*:*:ruby:*:* Versions 3.4.1 Vulnerable ·Diffy Project
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
- Fix · GHSA-5ww9-9qp2-x524 diffy (RubyGems) Fixed in 3.4.1 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-33127
- 2026-10-03 Alias added: GHSA-5ww9-9qp2-x524
References
Advisory 2
Sources
- CVE-2022-33127 · CVE Program
- CVE-2022-33127 · NVD
- FIRST EPSS
- GHSA-5ww9-9qp2-x524 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-33127 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences