cvedb.io
CVE-2023-25165
MEDIUM · CVSS 4.3
EPSS exploitation probability: 0%
Published 2023-02-08T20:15:24.937 · Last modified 2026-06-17T05:40:49.253

Summary

Helm is a tool that streamlines installing and managing Kubernetes applications.`getHostByName` is a Helm template function introduced in Helm v3. The function is able to accept a hostname and return an IP address for that hostname. To get the IP address the function performs a DNS lookup. The DNS lookup happens when used with `helm install|upgrade|template` or when the Helm SDK is used to render a chart. Information passed into the chart can be disclosed to the DNS servers used to lookup the IP address. For example, a malicious chart could inject `getHostByName` into a chart in order to disclose values to a malicious DNS server. The issue has been fixed in Helm 3.11.1. Prior to using a chart with Helm verify the `getHostByName` function is not being used in a template to disclose any info

Affected products

helm — helm

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.