High severityNVD Advisory· Published Mar 16, 2021· Updated Aug 3, 2024
CVE-2021-20218
CVE-2021-20218
Description
A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client copy command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
io.fabric8:kubernetes-clientMaven | >= 4.2.0, < 4.7.2 | 4.7.2 |
io.fabric8:kubernetes-clientMaven | >= 4.8.0, < 4.11.2 | 4.11.2 |
io.fabric8:kubernetes-clientMaven | >= 4.12.0, < 4.13.2 | 4.13.2 |
io.fabric8:kubernetes-clientMaven | >= 5.0.0, < 5.0.2 | 5.0.2 |
Affected products
2- fabric8/kubernetes-clientdescription
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-jwh2-ffg4-48xcghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-20218ghsaADVISORY
- bugzilla.redhat.com/show_bug.cgighsax_refsource_MISCWEB
- github.com/fabric8io/kubernetes-client/issues/2715ghsax_refsource_MISCWEB
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