samg/diffy · Security
Improper handling of double quotes in file name in Diffy in Windows environment
- GHSA ID
- GHSA-5ww9-9qp2-x524
- CVE ID
- CVE-2022-33127
- Severity
- critical
- Published
- Updated
- CVSS
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
- 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 ↗