GHSA-wg6p-jmpc-xjmr
Suggest an improvement- Source
- https://github.com/advisories/GHSA-wg6p-jmpc-xjmr
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/06/GHSA-wg6p-jmpc-xjmr/GHSA-wg6p-jmpc-xjmr.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/GHSA-wg6p-jmpc-xjmr
- Aliases
- Related
- Published
- 2023-06-21T22:00:30Z
- Modified
- 2023-11-01T05:02:23.964059Z
- Severity
-
- 8.0 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
- Summary
- Backstage Scaffolder plugin has insecure sandbox
- Details
-
The Backstage scaffolder-backend plugin uses a templating library that requires a sandbox, as it by design allows for code injection. The library used for this sandbox so far has been
vm2, but in light of several past vulnerabilities and existing vulnerabilities that may not have a fix, the plugin has switched to using a different sandbox library.Impact
A malicious actor with write access to a registered scaffolder template could manipulate the template in a way that allows for remote code execution on the scaffolder-backend instance. This was only exploitable in the template YAML definition itself and not by user input data.
Patches
This is vulnerability is fixed in version 1.15.0 of
@backstage/plugin-scaffolder-backend.Workarounds
Note that the Backstage Threat Model states that scaffolder templates are considered to be a sensitive area that with the recommendation that you control access and perform manual reviews of changes to the scaffolder templates. The exploit is of a nature where it is easily discoverable in manual review.
- Database specific
{ "nvd_published_at": "2023-06-22T14:15:09Z", "cwe_ids": [ "CWE-94" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2023-06-21T22:00:30Z" }- References
-
- https://github.com/backstage/backstage/security/advisories/GHSA-wg6p-jmpc-xjmr
- https://nvd.nist.gov/vuln/detail/CVE-2023-35926
- https://github.com/backstage/backstage/commit/fb7375507d56faedcb7bb3665480070593c8949a
- https://github.com/backstage/backstage
- https://github.com/backstage/backstage/releases/tag/v1.15.0
Affected packages
npm / @backstage/plugin-scaffolder-backend
Package
- Name
- @backstage/plugin-scaffolder-backend
- View open source insights on deps.dev
- Purl
- pkg:npm/%40backstage/plugin-scaffolder-backend