Impact

Versions of actions/artifact before 2.1.2 are vulnerable to arbitrary file write when using downloadArtifactInternal, downloadArtifactPublic, or streamExtractExternal for extracting a specifically crafted artifact that contains path traversal filenames.

Patches

Upgrade to version 2.1.2 or higher.

References

• https://snyk.io/research/zip-slip-vulnerability
• #1666

CVE

CVE-2024-42471

Credits

Justin Taft from Google