CVE-2020-7474 : Exploit Details and Defense Strategies

ProSoft Configurator v1.002 and prior, for the PMEPXM0100 (H) module, contains a CWE-427 vulnerability that could allow the execution of untrusted code, posing a risk of running malicious DLL files.

Understanding CVE-2020-7474

This CVE involves an Uncontrolled Search Path Element vulnerability in ProSoft Configurator v1.002 and earlier versions.

What is CVE-2020-7474?

The vulnerability in ProSoft Configurator (v1.002 and prior) for the PMEPXM0100 (H) module enables the execution of untrusted code, potentially leading to the activation of malicious DLL files.

The Impact of CVE-2020-7474

The exploitation of this vulnerability could result in the execution of unauthorized code, allowing attackers to run malicious DLL files by tricking users into opening a project file.

Technical Details of CVE-2020-7474

ProSoft Configurator v1.002 and earlier versions are affected by this vulnerability.

Vulnerability Description

A CWE-427: Uncontrolled Search Path Element vulnerability in ProSoft Configurator (v1.002 and prior) for the PMEPXM0100 (H) module allows the execution of untrusted code, potentially triggering the activation of a malicious DLL.

Affected Systems and Versions

Product: ProSoft Configurator v1.002 and prior, for the PMEPXM0100 (H) module
Vendor: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by enticing users to double click on a project file, leading to the execution of untrusted code and potentially activating a malicious DLL.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-7474.

Immediate Steps to Take

Avoid opening project files from untrusted or unknown sources.
Implement file validation mechanisms to detect potentially malicious DLL files.
Update ProSoft Configurator to the latest version to patch the vulnerability.

Long-Term Security Practices

Regularly update software and firmware to mitigate known vulnerabilities.
Educate users on safe file handling practices to prevent the execution of malicious code.

Patching and Updates

Ensure that ProSoft Configurator is updated to the latest version to eliminate the CWE-427 vulnerability and enhance system security.