GHSA-4jqc-jvh2-pxg9 – @backstage/plugin-techdocs-node

Package

Manager: npm
Name: @backstage/plugin-techdocs-node
Vulnerable Version: >=0 <1.1.2

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS: N/A pctlN/A

Details

Path traversal for local publishers in TechDocs backend ### Impact A malicious actor with the ability to register entities in the Software Catalog is able to write files to arbitrary paths on the techdocs backend host instance when `techdocs.publisher.type` is set to `local`. This vulnerability is mitigated by the fact that the Software Catalog must be configured with non-standard field format validators and/or non-standard entity policies. ### Patches Those affected are advised to upgrade to `@backstage/plugin-techdocs-node` version `1.1.2` or higher. ### Workarounds If patching or upgrading is not possible, it would be sufficient to update any custom Catalog field format validators and/or custom entity policies to disallow entity names, kinds, and namespaces containing `..`  ### 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 chat, linked to in the [Backstage README](https://github.com/backstage/backstage)

Metadata

Created: 2022-06-17T01:11:10Z
Modified: 2022-06-17T01:11:10Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/06/GHSA-4jqc-jvh2-pxg9/GHSA-4jqc-jvh2-pxg9.json
CWE IDs: []
Alternative ID: N/A
Finding: F063
Auto approve: 1