CVE-2019-11251
Medium
Description
The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree.
SeverityMedium
CVSS4.8
Exploit probability—
ProductKubernetes
PublishedFeb 3, 2020
First seenFeb 3, 2020
Weakness typeCWE-61CWE-61
How to fix
Update
- kubernetes kubernetes1.13.11, 1.14.7, 1.15.4 or later
- k8s.io/kubernetes1.13.11, 1.14.7, 1.16.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| kubernetes kubernetes | 1.13.0 ≤ v < 1.13.11, 1.14.0 ≤ v < 1.14.7, 1.15.0 ≤ v < 1.15.4, 1.1-1.12 | 1.13.11, 1.14.7, 1.15.4 |
| k8s.io/kubernetesGo | 1.13.10 ≤ v < 1.13.11, 1.14.6 ≤ v < 1.14.7, 1.15.3 ≤ v < 1.16.0 | 1.13.11, 1.14.7, 1.16.0 |
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