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CVE-2019-11249 Detail

Description

The 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 1.13.9, versions prior to 1.14.5, versions prior to 1.15.2, and versions 1.1, 1.2, 1.4, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://access.redhat.com/errata/RHBA-2019:2794 Third Party Advisory 
https://access.redhat.com/errata/RHBA-2019:2794 Third Party Advisory 
https://access.redhat.com/errata/RHBA-2019:2816 Third Party Advisory 
https://access.redhat.com/errata/RHBA-2019:2816 Third Party Advisory 
https://access.redhat.com/errata/RHBA-2019:2824 Third Party Advisory 
https://access.redhat.com/errata/RHBA-2019:2824 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:3239 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:3239 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:3811 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:3811 Third Party Advisory 
https://github.com/kubernetes/kubernetes/issues/80984 Patch  Third Party Advisory 
https://github.com/kubernetes/kubernetes/issues/80984 Patch  Third Party Advisory 
https://groups.google.com/d/msg/kubernetes-security-announce/vUtEcSEY6SM/v2ZZxsmtFQAJ Patch  Third Party Advisory 
https://groups.google.com/d/msg/kubernetes-security-announce/vUtEcSEY6SM/v2ZZxsmtFQAJ Patch  Third Party Advisory 
https://security.netapp.com/advisory/ntap-20190919-0003/ Third Party Advisory 
https://security.netapp.com/advisory/ntap-20190919-0003/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') cwe source acceptance level NIST  
CWE-61 UNIX Symbolic Link (Symlink) Following Kubernetes  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-11249
NVD Published Date:
08/28/2019
NVD Last Modified:
11/20/2024
Source:
Kubernetes