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

Critical severity GitHub Reviewed Published Jun 24, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

bundler diffy (RubyGems)

Affected versions

< 3.4.1

Patched versions

3.4.1

Description

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.

References

Published by the National Vulnerability Database Jun 23, 2022
Published to the GitHub Advisory Database Jun 24, 2022
Reviewed Jun 25, 2022
Last updated Jan 27, 2023

Severity

Critical
9.8
/ 10

CVSS base metrics

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

Weaknesses

No CWEs

CVE ID

CVE-2022-33127

GHSA ID

GHSA-5ww9-9qp2-x524

Source code

Checking history
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