Insecure default permissions in Kubernetes - CVE-2019-11244
Published: November 22, 2019 / Updated: December 22, 2020
Vulnerability identifier: #VU22937
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-11244
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Kubernetes
Affected software:
Kubernetes
Kubernetes
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insecure default permissions for cache files directory, specified by "-cache-dir" option . A local user in a non-default Kubernetes configuration gain gain read/write access to cache files and gain access to sensitive information or disrupt kubectl invocation.
How to mitigate CVE-2019-11244
Install update from vendor's website.