SB2022042160 - Fedora 34 update for podman
Published: April 21, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 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) Input validation error (CVE-ID: CVE-2022-21698)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within method label cardinality. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
3) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2022-27191)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error in golang.org/x/crypto/ssh before 0.0.0-20220314234659-1baeb1ce4c0b, as used in Go programming language. A remote attacker can crash a server in certain circumstances involving AddHostKey.
4) 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.
Remediation
Install update from vendor's website.