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CVE-2020-15186

LOW
Published 2020-09-17T21:40:13
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Expert Analysis

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CVSS Score

V3.1
3.4
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.004
probability
of exploitation in the wild

There is a 0.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.610
Higher than 61.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
NONE
Integrity
LOW
Availability
NONE

Description

In Helm before versions 2.16.11 and 3.3.2 plugin names are not sanitized properly. As a result, a malicious plugin author could use characters in a plugin name that would result in unexpected behavior, such as duplicating the name of another plugin or spoofing the output to `helm --help`. This issue has been patched in Helm 3.3.2. A possible workaround is to not install untrusted Helm plugins. Examine the `name` field in the `plugin.yaml` file for a plugin, looking for characters outside of the [a-zA-Z0-9._-] range.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

helm

helm

Affected Versions:

>= 2.0.0, < 2.16.11 >= 3.0.0, < 3.3.2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed LOW

Improper Sanitizing of plugin names in helm

GHSA-m54r-vrmv-hw33

Advisory Details

### Impact Security researchers at Trail of Bits discovered that plugin names are not sanitized properly. As a result, a malicious plugin author could use characters in a plugin name that would result in unexpected behavior, such as duplicating the name of another plugin or spoofing the output to `helm --help`. ### Specific Go Packages Affected helm.sh/helm/v3/pkg/plugin ### Patches This issue has been patched in Helm 3.3.2. ### Workarounds Do not install untrusted Helm plugins. Examine the `name` field in the `plugin.yaml` file for a plugin, looking for characters outside of the [a-zA-Z0-9._-] range.

Affected Packages

Go helm.sh/helm/v3
ECOSYSTEM: ≥3.0.0 <3.3.2
Go helm.sh/helm
ECOSYSTEM: ≥0 <2.16.11

CVSS Scoring

CVSS Score

2.5

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N

References

WEB https://github.com/helm/helm/security/advisories/GHSA-m54r-vrmv-hw33
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-15186
WEB https://github.com/helm/helm/commit/809e2d999e2c33e20e77f6bff30652d79c287542
WEB https://github.com/helm/helm/commit/c8d6b01d72c9604e43ee70d0d78fadd54c2d8499
PACKAGE https://github.com/helm/helm

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2021, Modified: October 2, 2023

References

https://github.com/helm/helm/security/advisories/GHSA-m54r-vrmv-hw33
https://github.com/helm/helm/commit/809e2d999e2c33e20e77f6bff30652d79c287542
Published: 2020-09-17T21:40:13
Last Modified: 2024-08-04T13:08:22.480Z
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