High severityNVD Advisory· Published Mar 25, 2022· Updated Aug 2, 2024
CVE-2022-0759
CVE-2022-0759
Description
A flaw was found in all versions of kubeclient up to (but not including) v4.9.3, the Ruby client for Kubernetes REST API, in the way it parsed kubeconfig files. When the kubeconfig file does not configure custom CA to verify certs, kubeclient ends up accepting any certificate (it wrongly returns VERIFY_NONE). Ruby applications that leverage kubeclient to parse kubeconfig files are susceptible to Man-in-the-middle attacks (MITM).
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
kubeclientRubyGems | < 4.9.3 | 4.9.3 |
Affected products
1Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-69p3-xp37-f692ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2022-0759ghsaADVISORY
- github.com/ManageIQ/kubeclient/commit/109ea71de5a8881748f03ebbe103b49f0f1c7887ghsaWEB
- github.com/ManageIQ/kubeclient/issues/554ghsax_refsource_MISCWEB
- github.com/ManageIQ/kubeclient/issues/555ghsax_refsource_MISCWEB
- github.com/ManageIQ/kubeclient/pull/556ghsaWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/kubeclient/CVE-2022-0759.ymlghsaWEB
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