SB2019042208 - Insecure default permissions to cache directory in Kubernetes
Published: April 22, 2019 Updated: December 22, 2020
Security Bulletin ID
SB2019042208
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Insecure default permissions (CVE-ID: CVE-2019-11244)
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.
Remediation
Install update from vendor's website.