CVE-2021-3922 : Vulnerability Insights and Analysis

A race condition vulnerability in Lenovo's IMController software component has been identified, allowing a local attacker to connect and interact with the IMController child process' named pipe.

Understanding CVE-2021-3922

This article provides insights into the CVE-2021-3922 vulnerability affecting Lenovo's IMController.

What is CVE-2021-3922?

CVE-2021-3922 is a race condition vulnerability in Lenovo's IMController software component, part of Lenovo System Interface Foundation, with versions prior to 1.1.20.3, enabling a local attacker to connect to the named pipe of the IMController child process.

The Impact of CVE-2021-3922

The vulnerability holds a CVSS base score of 7.8 (High), with high impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2021-3922

This section outlines key technical details of the CVE-2021-3922 vulnerability.

Vulnerability Description

The vulnerability arises from a race condition in the IMController software, potentially allowing unauthorized access to the named pipe of the child process.

Affected Systems and Versions

Lenovo's IMController versions less than 1.1.20.3 are impacted by CVE-2021-3922, exposing systems to exploitation.

Exploitation Mechanism

Local attackers can exploit this vulnerability to gain access and control the IMController child process' named pipe, posing serious security risks.

Mitigation and Prevention

Explore the essential steps for mitigating and preventing CVE-2021-3922.

Immediate Steps to Take

To address this vulnerability, users are advised to update the IMController component of Lenovo System Interface Foundation to version 1.1.20.3.

Long-Term Security Practices

Implement robust security measures and protocols to secure systems against potential race conditions and similar vulnerabilities.

Patching and Updates

Stay informed about security patches and updates provided by Lenovo for comprehensive mitigation of CVE-2021-3922.