Vulnerability Details : CVE-2022-33127

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.

Published 2022-06-23 17:15:15

Updated 2022-06-29 18:28:12

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-33127

Probability of exploitation activity in the next 30 days: 0.18%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 54 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-33127

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	nvd@nist.gov
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	nvd@nist.gov
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2022-33127

https://github.com/samg/diffy/commit/478f392082b66d38f54a02b4bb9c41be32fd6593

Remove windows specific exec. Open2.capture3 should work on all · samg/diffy@478f392 · GitHub
Patch;Third Party Advisory
https://github.com/samg/diffy/blob/56fd935aea256742f7352b050592542d3d153bf6/CHANGELOG#L1

diffy/CHANGELOG at 56fd935aea256742f7352b050592542d3d153bf6 · samg/diffy · GitHub
Release Notes;Third Party Advisory

Products affected by CVE-2022-33127

Diffy Project » Diffy » Version: 3.4.1 For Ruby
cpe:2.3:a:diffy_project:diffy:3.4.1:*:*:*:*:ruby:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A