CVE-2019-6173 : Security Advisory and Response

An issue with the DLL search path in certain Lenovo installation packages, prior to version 1.2.9.3, could potentially lead to privilege escalation during the installation process. This vulnerability is only exploitable if the attacker already possesses administrative privileges.

Understanding CVE-2019-6173

This CVE involves a DLL search path vulnerability in Lenovo installation packages.

What is CVE-2019-6173?

The vulnerability in certain Lenovo installation packages before version 1.2.9.3 could allow privilege escalation during installation if the attacker has administrative privileges.

The Impact of CVE-2019-6173

CVSS Base Score: 6.7 (Medium Severity)
Attack Vector: Local
Attack Complexity: High
Privileges Required: Low
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2019-6173

This section provides technical details of the vulnerability.

Vulnerability Description

The vulnerability arises from a DLL search path issue in Lenovo installation packages, potentially leading to privilege escalation.

Affected Systems and Versions

Affected Vendor: Lenovo
Affected Product: Installation Packages
Affected Versions: Prior to 1.2.9.3

Exploitation Mechanism

The vulnerability can be exploited during the installation process by an attacker with administrative privileges.

Mitigation and Prevention

To address CVE-2019-6173, follow these mitigation steps:

Immediate Steps to Take

Install Lenovo software updates via Lenovo Vantage, Lenovo System Update, or Windows Update
Updates delivered through Update Retriever, Thin Installer, and System Update are not affected

Long-Term Security Practices

Regularly update Lenovo installation packages to versions 1.2.9.3 or later

Patching and Updates

Ensure all Lenovo software is kept up to date to prevent exploitation of this vulnerability