CVE-2017-3756 Explained : Impact and Mitigation

A security issue has been discovered in the Lenovo Active Protection System for ThinkPad systems versions prior to 1.82.0.17, allowing an attacker with local access privileges to run code with administrative privileges by exploiting an unquoted service path.

Understanding CVE-2017-3756

This CVE involves a privilege escalation vulnerability in the Lenovo Active Protection System for ThinkPad systems.

What is CVE-2017-3756?

CVE-2017-3756 is a security vulnerability in the Lenovo Active Protection System that enables an attacker with local privileges to execute code with administrative privileges through an unquoted service path.

The Impact of CVE-2017-3756

The vulnerability could be exploited by an attacker with local access to escalate their privileges and potentially execute malicious code with administrative rights on the affected system.

Technical Details of CVE-2017-3756

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability in the Lenovo Active Protection System for ThinkPad systems versions earlier than 1.82.0.17 allows local attackers to run code with administrative privileges by exploiting an unquoted service path.

Affected Systems and Versions

Product: ThinkPad Active Protection System
Vendor: Lenovo Group Ltd.
Versions Affected: Earlier than 1.82.0.17

Exploitation Mechanism

The vulnerability can be exploited by an attacker with local access privileges to manipulate the unquoted service path, enabling the execution of code with elevated administrative privileges.

Mitigation and Prevention

Protecting systems from CVE-2017-3756 requires immediate action and long-term security practices.

Immediate Steps to Take

Update the Lenovo Active Protection System to version 1.82.0.17 or later to mitigate the vulnerability.
Monitor system activity for any signs of unauthorized privilege escalation.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access rights.
Regularly audit and review system configurations to identify and address security weaknesses.

Patching and Updates

Stay informed about security updates and patches released by Lenovo for the Active Protection System.
Apply patches promptly to ensure that systems are protected against known vulnerabilities.