Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS01d3c5LTlxcDIteDUyNM4AAs80

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

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.

Permalink: https://github.com/advisories/GHSA-5ww9-9qp2-x524
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS01d3c5LTlxcDIteDUyNM4AAs80
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 2 years ago
Updated: almost 2 years ago

CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Percentage: 0.00178
EPSS Percentile: 0.55124

Identifiers: GHSA-5ww9-9qp2-x524, CVE-2022-33127
References:

• https://nvd.nist.gov/vuln/detail/CVE-2022-33127
• https://github.com/samg/diffy/commit/478f392082b66d38f54a02b4bb9c41be32fd6593
• https://github.com/samg/diffy/blob/56fd935aea256742f7352b050592542d3d153bf6/CHANGELOG#L1
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/diffy/CVE-2022-33127.yml
• https://github.com/advisories/GHSA-5ww9-9qp2-x524

Repository: https://github.com/samg/diffy
Blast Radius: 37.2

Affected Packages