CVE-2022-23524: Helm vulnerable to Denial of service through string value parsing
First published: Thu Dec 15 2022(Updated: )
A flaw was found in Helm, a tool for managing Charts, a pre-configured Kubernetes resources. Versions prior to 3.10.3 are subject to Uncontrolled Resource Consumption. Input to functions in the _strvals_ package could cause a stack overflow that is unrecoverable by Go. Applications that use functions from the _strvals_ package in Helm SDK may result in a denial of service.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Helm Helm | >=3.0.0<3.10.3 |
Remedy
SDK users can validate strings supplied by users that won't create large arrays causing significant memory usage before passing them to the _strvals_ functions.
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Reference Links
- https://github.com/helm/helm/security/advisories/GHSA-6rx9-889q-vv2r
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2155939
- https://access.redhat.com/errata/RHSA-2023:1646
- https://access.redhat.com/security/cve/cve-2022-23524
- https://bugzilla.redhat.com/show_bug.cgi?id=2154200
- https://www.cve.org/CVERecord?id=CVE-2022-23524 https://nvd.nist.gov/vuln/detail/CVE-2022-23524 https://github.com/helm/helm/security/advisories/GHSA-6rx9-889q-vv2r
Frequently Asked Questions
What is CVE-2022-23524?
CVE-2022-23524 is a vulnerability in Helm, a tool for managing Charts, that allows for Uncontrolled Resource Consumption, resulting in Denial of Service.
What is the severity of CVE-2022-23524?
The severity of CVE-2022-23524 is high, with a severity value of 7.5.
Which versions of Helm are affected by CVE-2022-23524?
Versions prior to 3.10.3 of Helm are affected by CVE-2022-23524.
How do I fix CVE-2022-23524?
To fix CVE-2022-23524, update Helm to version 3.10.3 or later.
Where can I find more information about CVE-2022-23524?
You can find more information about CVE-2022-23524 on the CVE website, NIST NVD, and the Helm GitHub security advisories.
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