CVE-2018-1106 Explained : Impact and Mitigation

A security vulnerability has been discovered in PackageKit versions earlier than 1.1.10, allowing users without administrator privileges to install signed packages, potentially compromising the system.

Understanding CVE-2018-1106

A flaw in PackageKit versions before 1.1.10 enables unauthorized users to install signed packages, leading to potential system exploitation.

What is CVE-2018-1106?

CVE-2018-1106 is an authentication bypass vulnerability in PackageKit that permits users lacking admin privileges to install signed packages, potentially facilitating system compromise.

The Impact of CVE-2018-1106

Exploiting this vulnerability, a local attacker can install compromised packages, escalating privileges and compromising the system's security.

Technical Details of CVE-2018-1106

A detailed look at the technical aspects of the CVE-2018-1106 vulnerability.

Vulnerability Description

An authentication bypass flaw in PackageKit before version 1.1.10
Allows users without admin privileges to install signed packages
Local attackers can exploit this to install vulnerable packages and compromise the system

Affected Systems and Versions

Product: PackageKit
Vendor: Red Hat, Inc.
Versions Affected: Before 1.1.10

Exploitation Mechanism

Unauthorized users exploit the flaw to install compromised packages
Local attackers can leverage this vulnerability to further exploit the system

Mitigation and Prevention

Measures to address and prevent the CVE-2018-1106 vulnerability.

Immediate Steps to Take

Update PackageKit to version 1.1.10 or later
Restrict user permissions to minimize the impact of unauthorized installations

Long-Term Security Practices

Regularly update software and apply security patches
Implement least privilege access controls to limit unauthorized actions

Patching and Updates

Apply the latest security patches and updates for PackageKit to mitigate the vulnerability