{"schema_version":"1.7.5","id":"GHSA-g5v4-5x39-vwhx","published":"2022-02-15T00:32:04Z","modified":"2026-07-08T06:29:37.803578339Z","aliases":["BIT-oras-2021-21272","CVE-2021-21272","GO-2021-0099"],"summary":"Zip slip directory exploit in github.com/deislabs/oras","details":"### Impact\nThe 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.\n\nA 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`. \n\nPrecisely, the following users of the affected versions are impacted\n- `oras` CLI users who runs `oras pull`.\n- Go programs, which invokes `github.com/deislabs/oras/pkg/content.FileStore`.\n\n### Patches\nThe problem has been patched by the PR linked with this advisory. Users should upgrade their `oras` CLI and packages to `0.9.0`.\n\n### Workarounds\nFor `oras` CLI users, there is no workarounds other than pulling from a trusted artifact provider.\n\nFor `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.\n\n### References\n- [Zip Slip](https://github.com/snyk/zip-slip-vulnerability)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue on the [GitHub repo](https://github.com/deislabs/oras)\n* Email the [list of maintainers](https://github.com/deislabs/oras/blob/main/MAINTAINERS)","affected":[{"package":{"name":"github.com/deislabs/oras","ecosystem":"Go","purl":"pkg:golang/github.com/deislabs/oras"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.9.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-g5v4-5x39-vwhx/GHSA-g5v4-5x39-vwhx.json"}}],"references":[{"type":"WEB","url":"https://github.com/deislabs/oras/security/advisories/GHSA-g5v4-5x39-vwhx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21272"},{"type":"WEB","url":"https://github.com/deislabs/oras/commit/96cd90423303f1bb42bd043cb4c36085e6e91e8e"},{"type":"PACKAGE","url":"https://github.com/deislabs/oras"},{"type":"WEB","url":"https://github.com/deislabs/oras/releases/tag/v0.9.0"},{"type":"WEB","url":"https://pkg.go.dev/github.com/deislabs/oras/pkg/oras"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2021-0099"}],"database_specific":{"cwe_ids":["CWE-22","CWE-59"],"github_reviewed":true,"github_reviewed_at":"2021-05-21T14:42:50Z","nvd_published_at":"2021-01-25T19:15:00Z","severity":"HIGH"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"}]}