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BIT-helm-2020-15187 — Duplicate plugin entries in Helm

Affected: Bitnami: helm

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 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. As a possible workaround make sure to install plugins using a secure connection protocol like SSL.

cnvd-2020-53137

EUVD-2026-241970

fkie_cve-2020-15187

GHSA-c52f-pq47-2r9j — plugin.yaml file allows for duplicate entries in helm

Affected: Go: helm.sh/helm/v3, Go: helm.sh/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.

gsd-2020-15187

RHEA-2021:0729 — Red Hat Enhancement Advisory: Red Hat Advanced Cluster Management for Kubernetes version 2.2 images

golang-github-buger-jsonparser: infinite loop via a Delete call node-fetch: size of data after fetch() JS thread leads to DoS helm: Chart.yaml is not properly sanitized lead to injection of unwanted information into chart helm: write access to the index file allows an attacker to inject bad chart into repository helm: plugin names are not sanitized properly helm: write access to the git repository or plugin archive causing causing a local execution attack jsonparser: GET call can lead to a slice bounds out of range redisgraph: NULL pointer dereference because it mishandles an unquoted string

SUSE-SU-2020:3760-1 — Security changes in Kubernetes, etcd, and helm; Bugfix in cri-o package

Security changes in Kubernetes, etcd, and helm; Bugfix in cri-o package