GHSA-g5v4-5x39-vwhx Zip slip directory exploit in github.com/deislabs/oras

• Go github.com/deislabs/oras: < 0.9.0 → fixed in 0.9.0

Impact The directory support (#55) allows the downloaded gzipped tarballs to be automatically extracted to the user-specified directory where the tarball can have symbolic links and hard links. A well-crafted tarball or tarballs allow malicious artifact providers linking, writing, or overwriting specific files on the host filesystem outside of the user-specified directory unexpectedly with the same permissions as the user who runs `oras pull`. Precisely, the following users of the affected versions are impacted • `oras` CLI users who runs `oras pull`. • Go programs, which invokes `github.com/deislabs/oras/pkg/content.FileStore`. Patches The problem has been patched by the PR linked with this advisory. Users should upgrade their `oras` CLI and packages to `0.9.0`. Workarounds For `oras` CLI users, there is no workarounds other than pulling from a trusted artifact provider. For `oras` package users, the workaround is to not use `github.com/deislabs/oras/pkg/content.FileStore`, and use other content stores instead, or pull from a trusted artifact provider. References • Zip Slip For more information If you have any questions or comments about this advisory: • Open an issue on the GitHub repo • Email the list of maintainers