id: GO-2022-0248
modules:
    - module: github.com/cloudflare/cfrpki
      versions:
        - fixed: 1.4.4
      vulnerable_at: 1.4.2
      packages:
        - package: github.com/cloudflare/cfrpki/validator/pki
          symbols:
            - ExtractPathManifest
          derived_symbols:
            - SimpleManager.Explore
            - SimpleManager.ExploreAdd
            - Validator.AddManifest
            - Validator.AddResource
summary: Directory traversal in manifest path extraction in github.com/cloudflare/cfrpki
description: |-
    Manifest path extraction is vulnerable to directory traversal attacks.

    The ExtractPathManifest function permits file paths containing relative
    directory components (".."), permitting files to reference arbitrary locations
    on the filesystem.
published: 2022-07-15T23:07:18Z
cves:
    - CVE-2021-3907
ghsas:
    - GHSA-cqh2-vc2f-q4fh
    - GHSA-8459-6rc9-8vf8
credits:
    - Koen van Hove
references:
    - fix: https://github.com/cloudflare/cfrpki/commit/eb9cc4db7b7b79e44f56dfaa959fccdfb2af8284
    - fix: https://github.com/cloudflare/cfrpki/commit/a053a808feeb3115c76b6cc263ee55598ce6e8cd