SB2022051913 - Red Hat Enterprise Linux 8.2 update for the container-tools:2.0 module
Published: May 19, 2022 Updated: April 1, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Security restrictions bypass (CVE-ID: CVE-2022-1227)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to improper privilege management when running podman top on a container made from a maliciously-crafted image and using a user namespace. An attacker with full access to the container can execute arbitrary code in the host context.
2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-27649)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to excess inheritable capabilities set, which leads to security restrictions bypass and privilege escalation.
3) Incorrect default permissions (CVE-ID: CVE-2022-27651)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A remote attacker can view contents of files and directories or modify them.
Remediation
Install update from vendor's website.