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kubectl cp allows symlink directory traversal
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kubectl cp allows symlink directory traversal
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
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.
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CVSS V3 Severity and Metrics
General Information
Vendors
- kubernetes,
- redhat
Products
- kubernetes,
- kubernetes 1.12.11,
- openshift container platform 3.10,
- openshift container platform 3.11,
- openshift container platform 3.9,
- openshift container platform 4.1
References
Advisory
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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