Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWM1MmYtcHE0Ny0ycjlq

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.

Permalink: https://github.com/advisories/GHSA-c52f-pq47-2r9j
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWM1MmYtcHE0Ny0ycjlq
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Low
Classification: General
Published: over 2 years ago
Updated: 2 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
References:

• https://github.com/helm/helm/security/advisories/GHSA-c52f-pq47-2r9j
• https://nvd.nist.gov/vuln/detail/CVE-2020-15187
• https://github.com/helm/helm/commit/6aab63765f99050b115f0aec3d6350c85e8da946
• https://github.com/helm/helm/commit/d9ef5ce8bad512e325390c0011be1244b8380e4b
• https://github.com/advisories/GHSA-c52f-pq47-2r9j

Affected Packages