CVE-2022-21946 Explained : Impact and Mitigation

A Incorrect Permission Assignment for Critical Resource vulnerability in the sudoers configuration in cscreen of openSUSE Factory allows any local users to gain the privileges of the tty and dialout groups and access and manipulate any running cscreen seesion. This vulnerability affects openSUSE Factory cscreen version 1.2-1.3 and prior versions.

Understanding CVE-2022-21946

This section will provide detailed insights into the CVE-2022-21946 vulnerability.

What is CVE-2022-21946?

CVE-2022-21946 is an Incorrect Permission Assignment for Critical Resource vulnerability found in the sudoers configuration in cscreen of openSUSE Factory.

The Impact of CVE-2022-21946

The vulnerability allows local users to gain additional privileges and manipulate running cscreen sessions, posing a risk to system security.

Technical Details of CVE-2022-21946

In this section, we will delve into the technical aspects of CVE-2022-21946.

Vulnerability Description

The vulnerability arises due to insufficient restrictions in the sudoers configuration for cscreen, enabling unauthorized users to elevate their privileges.

Affected Systems and Versions

openSUSE Factory cscreen version 1.2-1.3 and earlier versions are impacted by this vulnerability.

Exploitation Mechanism

Local users can exploit this vulnerability to access and manipulate cscreen sessions, potentially leading to unauthorized actions.

Mitigation and Prevention

Discover the steps to mitigate the risks associated with CVE-2022-21946.

Immediate Steps to Take

Update affected systems to the latest version of cscreen with the patch provided by the vendor.
Restrict local user permissions to minimize the impact of unauthorized access.

Long-Term Security Practices

Regularly monitor and audit sudoers configurations to ensure proper permission assignments.
Educate users on secure practices to prevent exploitation of similar vulnerabilities.

Patching and Updates

Stay informed about security updates from openSUSE Factory and apply patches promptly to safeguard against CVE-2022-21946.