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).
This issue has been patched in Helm 2.16.11 and Helm 3.3.2.
Make sure to install plugins using a secure connection protocol like SSL.
{ "nvd_published_at": "2020-09-17T22:15:00Z", "cwe_ids": [ "CWE-694", "CWE-74" ], "severity": "LOW", "github_reviewed": true, "github_reviewed_at": "2021-05-24T12:56:32Z" }