GHSA-2fc9-xpp8-2g9h
`@backstage/backend-common` vulnerable to path traversal through symlinks
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @backstage/backend-common | >= 0.21.0, < 0.21.1 | 0.21.1 |
| npm | @backstage/backend-common | < 0.19.10 | 0.19.10 |
| npm | @backstage/backend-common | >= 0.20.0, < 0.20.2 | 0.20.2 |
Details
As written in the advisory (Markdown source, shown as plain text).
### Impact
Paths checks with the `resolveSafeChildPath` utility were not exhaustive enough, leading to risk of path traversal vulnerabilities if symlinks can be injected by attackers.
### Patches
Patched in `@backstage/backend-common` version `0.21.1`.
Patched in `@backstage/backend-common` version `0.20.2`.
Patched in `@backstage/backend-common` version `0.19.10`.
### For more information
If you have any questions or comments about this advisory:
- Open an issue in the [Backstage repository](https://github.com/backstage/backstage)
- Visit our Discord, linked to in [Backstage README](https://github.com/backstage/backstage)
References
External links from the advisory. They lead to third-party sites.
- https://github.com/backstage/backstage/security/advisories/GHSA-2fc9-xpp8-2g9h
- https://nvd.nist.gov/vuln/detail/CVE-2024-26150
- https://github.com/backstage/backstage/commit/1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6f
- https://github.com/backstage/backstage/commit/78f892b3a84d63de2ba167928f171154c447b717
- https://github.com/backstage/backstage/commit/edf65d7d31e027599c2415f597d085ee84807871
- https://github.com/backstage/backstage