CVE-2019-10971 Explained : Impact and Mitigation

Network Configurator for DeviceNet Safety version 3.41 and earlier is vulnerable to executing malicious .dll files due to an untrusted search path.

Understanding CVE-2019-10971

The vulnerability in the Network Configurator for DeviceNet Safety allows for the execution of potentially malicious .dll files.

What is CVE-2019-10971?

The application's resource search mechanism vulnerability permits the execution of unauthorized .dll files, even if not controlled by the app or in intended directories.

The Impact of CVE-2019-10971

This vulnerability could lead to the execution of malicious code, compromising the system's integrity and potentially allowing attackers to take control.

Technical Details of CVE-2019-10971

The technical aspects of the CVE-2019-10971 vulnerability.

Vulnerability Description

The application's untrusted search path vulnerability enables the execution of unauthorized .dll files, posing a security risk.

Affected Systems and Versions

Product: Network Configurator for DeviceNet Safety
Versions Affected: 3.41 and prior

Exploitation Mechanism

Attackers can exploit this vulnerability by placing a malicious .dll file in a location where the application searches for resources, leading to unauthorized code execution.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-10971.

Immediate Steps to Take

Disable the application until a patch is available.
Monitor for any unusual file activity.
Implement file integrity checks.

Long-Term Security Practices

Regularly update the application and all related software.
Conduct security assessments to identify and address vulnerabilities.

Patching and Updates

Apply patches or updates provided by the vendor to fix the vulnerability and enhance application security.