CVE-2020-15184: Aliases are never checked in Helm
First published: Thu Sep 17 2020(Updated: )
### Impact During a security audit of Helm's code base, security researchers at Trail of Bits identified a bug in which the `alias` field on a `Chart.yaml` is not properly sanitized. This could lead to the injection of unwanted information into a chart. ### Patches This issue has been patched in Helm 3.3.2 and 2.16.11 ### Specific Go Packages Affected helm.sh/helm/v3/pkg/chartutil ### Workarounds Manually review the `dependencies` field of any untrusted chart, verifying that the `alias` field is either not used, or (if used) does not contain newlines or path characters.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/helm.sh/helm | <2.16.11 | 2.16.11 |
| go/helm.sh/helm/v3 | >=3.0.0<3.3.2 | 3.3.2 |
| Helm Helm | >=2.0.0<2.16.11 | |
| Helm Helm | >=3.0.0<3.3.2 |
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Reference Links
- https://github.com/helm/helm/security/advisories/GHSA-9vp5-m38w-j776
- https://nvd.nist.gov/vuln/detail/CVE-2020-15184
- https://github.com/helm/helm/commit/6aab63765f99050b115f0aec3d6350c85e8da946
- https://github.com/helm/helm/commit/e7c281564d8306e1dcf8023d97f972449ad74850
- https://github.com/advisories/GHSA-9vp5-m38w-j776 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2020-15184?
The severity of CVE-2020-15184 is medium with a severity value of 3.7.
Which versions of Helm are affected by CVE-2020-15184?
Versions 2.0.0 to 2.16.11 of Helm and versions 3.0.0 to 3.3.2 of Helm v3 are affected by CVE-2020-15184.
How can I fix CVE-2020-15184?
To fix CVE-2020-15184, update Helm to version 2.16.11 or upgrade to Helm v3 version 3.3.2.
What is the impact of CVE-2020-15184?
The impact of CVE-2020-15184 is the potential injection of unwanted information into a chart due to improper sanitization of the `alias` field in a `Chart.yaml`.
Where can I find more information about CVE-2020-15184?
You can find more information about CVE-2020-15184 in the following references: [GitHub Security Advisory](https://github.com/helm/helm/security/advisories/GHSA-9vp5-m38w-j776), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2020-15184), [GitHub Commit](https://github.com/helm/helm/commit/6aab63765f99050b115f0aec3d6350c85e8da946).
- collector/github-advisory-latest
- alias/GHSA-9vp5-m38w-j776
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- version/helm helm/3.0.0