plugin.yaml file allows for duplicate entries in helm
### Impact During a security audit of Helm's code base, Helm maintainers identified a bug in which a Helm plugin can contain duplicates of the same entry, with the last one always used. If a plugin is compromised, this lowers the level of access that an attacker needs to modify a plugin's install hooks, causing a local execution attack. To perform this attack, an attacker must have write access to the git repository or plugin archive (.tgz) while being downloaded (which can occur during a MITM attack on a non-SSL connection). ### Patches This issue has been patched in Helm 2.16.11 and Helm 3.3.2. ### Workarounds Make sure to install plugins using a secure connection protocol like SSL.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-15187US | medium4.7 | — | ||
In Helm before versions 2.16.11 and 3.3.2, a Helm plugin can contain duplicates of the same entry, with the last one always used. If a plugin is compromised, this lowers the level… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/helm/helmPACKAGE
- https://github.com/helm/helm/commit/6aab63765f99050b115f0aec3d6350c85e8da946WEB
- https://github.com/helm/helm/commit/ac7c07c37d87e09797f714fb57aa5e9cb99d9450WEB
- https://github.com/helm/helm/commit/b0296c0522e837d65f944beefa3fb64fd08ac304WEB
- https://github.com/helm/helm/commit/c8d6b01d72c9604e43ee70d0d78fadd54c2d8499WEB
- https://github.com/helm/helm/commit/d9ef5ce8bad512e325390c0011be1244b8380e4bWEB
- https://github.com/helm/helm/commit/f2ede29480b507b7d8bb152dd8b6b86248b00658WEB
- https://github.com/helm/helm/security/advisories/GHSA-c52f-pq47-2r9jWEB
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