SB2020021172 - Privilege escalation in libpod
Published: February 11, 2020 Updated: March 11, 2020
Security Bulletin ID
SB2020021172
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-1726)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists in Podman where it incorrectly allows containers when created to overwrite existing files in volumes, even if they are mounted as read-only. When a user runs a malicious container or a container based on a malicious image with an attached volume that is used for the first time, it is possible to trigger the flaw and overwrite files in the volume.T
Remediation
Install update from vendor's website.