CVE-2024-26150
In `@backstage/backend-common` prior to versions 0.21.1, 0.20.2, and 0.19.10, paths checks with the `resolveSafeChildPath` utility were not exhaustive enough, leading to risk of path traversal vulnerabilities if symlinks can be injected by attackers.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
`@backstage/backend-common` is a common functionality library for backends for Backstage, an open platform for building developer portals. In `@backstage/backend-common` prior to versions 0.21.1, 0.20.2, and 0.19.10, paths checks with the `resolveSafeChildPath` utility were not exhaustive enough, leading to risk of path traversal vulnerabilities if symlinks can be injected by attackers. This issue is patched in `@backstage/backend-common` versions 0.21.1, 0.20.2, and 0.19.10.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.80% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- linuxfoundation/backstage backend-common
- Source
- security-advisories@github.com
References
- https://github.com/backstage/backstage/commit/1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6fPatch
- https://github.com/backstage/backstage/commit/78f892b3a84d63de2ba167928f171154c447b717Patch
- https://github.com/backstage/backstage/commit/edf65d7d31e027599c2415f597d085ee84807871Patch
- https://github.com/backstage/backstage/security/advisories/GHSA-2fc9-xpp8-2g9hVendor Advisory
- https://github.com/backstage/backstage/commit/1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6fPatch
- https://github.com/backstage/backstage/commit/78f892b3a84d63de2ba167928f171154c447b717Patch
- https://github.com/backstage/backstage/commit/edf65d7d31e027599c2415f597d085ee84807871Patch
- https://github.com/backstage/backstage/security/advisories/GHSA-2fc9-xpp8-2g9hVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.