CVE-2018-9063 : Security Advisory and Response

A vulnerability has been identified in previous versions of Lenovo System Update related to the program file "mapdrv.exe" that can be exploited by attackers. This CVE was published on May 3, 2018.

Understanding CVE-2018-9063

This CVE affects Lenovo System Update versions earlier than 5.07.0072 and involves a buffer overflow vulnerability.

What is CVE-2018-9063?

The vulnerability in Lenovo System Update allows attackers to execute unauthorized code by entering excessively long user ID or password inputs, causing buffer overflow in the program.

The Impact of CVE-2018-9063

The exploitation of this vulnerability can lead to unpredictable actions, including the execution of unauthorized code, without granting additional privileges to the attacker beyond what is required to run MapDrv.

Technical Details of CVE-2018-9063

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability exists in the program file "mapdrv.exe" in Lenovo System Update versions earlier than 5.07.0072, allowing attackers to overrun the program's buffer.

Affected Systems and Versions

Product: Lenovo System Update
Vendor: Lenovo Group Ltd.
Affected Version: Earlier than 5.07.0072

Exploitation Mechanism

Attackers can exploit this vulnerability by entering very large user ID or password inputs, causing buffer overflow and enabling the execution of arbitrary code.

Mitigation and Prevention

To address CVE-2018-9063, follow these mitigation steps:

Immediate Steps to Take

Update Lenovo System Update to version 5.07.0072 or later.
Avoid entering excessively long user ID or password inputs.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Implement strong password policies and user access controls.

Patching and Updates

Lenovo has released updates to address this vulnerability. Ensure timely installation of patches and updates to secure your system.