SB2020072363 - Information Exposure Through an Error Message in Kubernetes Kubernetes
Published: July 23, 2020 Updated: June 5, 2023
Security Bulletin ID
SB2020072363
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information Exposure Through an Error Message (CVE-ID: CVE-2019-11252)
The vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists in kube-controller-manager due to credential leakage via error messages in mount failure logs and events for AzureFile and CephFS volumes. A remote user can gain access to kubelet logs, read the credentials, and use them to access other services.
Remediation
Install update from vendor's website.