CVE-2019-11246

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Summary

CVECVE-2019-11246
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-08-29 01:15:00 UTC
Updated2023-11-07 03:02:00 UTC
DescriptionThe kubectl cp command allows copying files between containers and the user machine. To copy files from a container, Kubernetes runs tar inside the container to create a tar archive, copies it over the network, and kubectl unpacks it on the user’s machine. If the tar binary in the container is malicious, it could run any code and output unexpected, malicious results. An attacker could use this to write files to any path on the user’s machine when kubectl cp is called, limited only by the system permissions of the local user. Kubernetes affected versions include versions prior to 1.12.9, versions prior to 1.13.6, versions prior to 1.14.2, and versions 1.1, 1.2, 1.4, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11.

Risk And Classification

Problem Types: CWE-22

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Kubernetes Kubernetes All All All All
Application Kubernetes Kubernetes 1.12.11 beta0 All All
Application Kubernetes Kubernetes All All All All
Application Kubernetes Kubernetes 1.12.11 beta0 All All
Application Kubernetes Kubernetes All All All All

References

ReferenceSourceLinkTags
CVE-2019-11246: Clean links handling in cp's tar code by soltysh · Pull Request #76788 · kubernetes/kubernetes · GitHub CONFIRM github.com Patch, Third Party Advisory
September 2019 Kubernetes Vulnerabilities in NetApp Products | NetApp Product Security CONFIRM security.netapp.com Third Party Advisory
Google Groups groups.google.com
Google Groups MLIST groups.google.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: Charles Holmes, Atredis Partners

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