CVE-2017-3743 : Security Advisory and Response

CVE-2017-3743 was published on June 20, 2017, by Lenovo Group Ltd. The vulnerability affects Lenovo Advanced Settings Utility versions earlier than 10.2, UXSPI, and DSA versions earlier than 10.3.

Understanding CVE-2017-3743

This CVE involves the disclosure of sensitive information when multiple users are accessing a shared system using Lenovo ToolsCenter utilities.

What is CVE-2017-3743?

When one user sends a command to another machine via Lenovo ToolsCenter utilities, the user ID and password used to access the second machine may be visible to other users during command processing.

The Impact of CVE-2017-3743

The vulnerability could lead to unauthorized access to sensitive information, compromising system security and user privacy.

Technical Details of CVE-2017-3743

The following technical details provide insight into the vulnerability.

Vulnerability Description

The flaw allows user IDs and passwords to be exposed to unauthorized users during command execution.

Affected Systems and Versions

Lenovo Advanced Settings Utility versions earlier than 10.2
UXSPI and DSA versions earlier than 10.3

Exploitation Mechanism

When multiple users are concurrently logged into a shared system and one user sends a command to another machine using Lenovo ToolsCenter utilities, the sensitive information is exposed.

Mitigation and Prevention

Protect your systems from CVE-2017-3743 with these mitigation strategies.

Immediate Steps to Take

Update affected Lenovo ToolsCenter utilities to versions 10.2 or later.
Implement access controls to restrict user privileges.

Long-Term Security Practices

Regularly monitor system logs for unusual activities.
Educate users on secure password practices and the risks of sharing sensitive information.

Patching and Updates

Stay informed about security advisories from Lenovo and apply patches promptly to address known vulnerabilities.