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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWM1MmYtcHE0Ny0ycjlq
plugin.yaml file allows for duplicate entries in helm
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.Permalink: https://github.com/advisories/GHSA-c52f-pq47-2r9j
Source: GitHub Advisory Database
Published: about 2 years ago
Updated: 4 months ago
CVSS Score: 3.0
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N
Identifiers: GHSA-c52f-pq47-2r9j, CVE-2020-15187
go:helm.sh/helm/v3/pkg/pluginVersions: >= 3.0.0, < 3.3.2, < 2.16.11
Fixed in: 3.3.2, 2.16.11
go:helm.sh/helmVersions: < 2.16.11
Fixed in: 2.16.11
go:helm.sh/helm/v3Versions: >= 3.0.0, < 3.3.2
Fixed in: 3.3.2