modules:
  - module: github.com/deislabs/oras
    versions:
      - fixed: 0.9.0
    packages:
      - package: github.com/deislabs/oras/pkg/content
        symbols:
          - extractTarDirectory
        derived_symbols:
          - fileWriter.Commit
description: |
    Due to improper path validation, using the github.com/deislabs/oras/pkg/content.FileStore
    content store may result in directory traversal during archive extraction, allowing a
    malicious archive to write paths to arbitrary paths that the process can write to.
published: 2021-04-14T20:04:52Z
cves:
  - CVE-2021-21272
ghsas:
  - GHSA-g5v4-5x39-vwhx
credit: Chris Smowton
references:
  - fix: https://github.com/deislabs/oras/commit/96cd90423303f1bb42bd043cb4c36085e6e91e8e