CVE-2019-6189 : Exploit Details and Defense Strategies

A potential security weakness was disclosed in versions of Lenovo System Interface Foundation prior to v1.1.18.3, allowing an administrative user to load an unsigned DLL.

Understanding CVE-2019-6189

This CVE involves a vulnerability in Lenovo System Interface Foundation that could lead to local privilege escalation.

What is CVE-2019-6189?

The CVE-2019-6189 vulnerability in Lenovo System Interface Foundation allows an administrative user to load a DLL that is not digitally signed, potentially leading to security breaches.

The Impact of CVE-2019-6189

The vulnerability could enable an administrative user to escalate privileges locally, posing a risk to system security.

Technical Details of CVE-2019-6189

This section provides detailed technical information about the CVE-2019-6189 vulnerability.

Vulnerability Description

The vulnerability in Lenovo System Interface Foundation versions before v1.1.18.3 allows an administrative user to load an unsigned DLL, creating a security risk.

Affected Systems and Versions

Product: Lenovo System Interface Foundation
Vendor: Lenovo
Versions Affected: < 1.1.18.3

Exploitation Mechanism

The vulnerability could be exploited by an administrative user to load a DLL that is not digitally signed, potentially leading to unauthorized system access.

Mitigation and Prevention

To address CVE-2019-6189, follow these mitigation and prevention steps:

Immediate Steps to Take

Update Lenovo System Interface Foundation to version 1.1.18.3 or higher.

Long-Term Security Practices

Regularly monitor for security updates and patches from Lenovo.
Implement least privilege access controls to limit potential vulnerabilities.
Conduct regular security assessments and audits to identify and address any security gaps.

Patching and Updates

Apply security patches and updates provided by Lenovo to ensure system integrity and protection.