Inclusion of Sensitive Information in Log Files in Kubernetes - CVE-2020-8563
Published: December 7, 2020 / Updated: December 15, 2020
Vulnerability identifier: #VU48976
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-8563
CWE-ID: CWE-532
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 gain access to sensitive information.
The vulnerability exists due to software stores sensitive information into log files. In Kubernetes clusters using VSphere as a cloud provider, with a logging level set to 4 or above, VSphere cloud credentials will be leaked in the cloud controller manager's log. A local user can read the log files and gain access to sensitive data.
How to mitigate CVE-2020-8563
Install updates from vendor's website.