CVE-2020-25244 : Exploit Details and Defense Strategies

A vulnerability has been identified in LOGO! Soft Comfort (All versions < V8.4) software by Siemens, allowing DLL hijacking that could lead to a system takeover by a local attacker.

Understanding CVE-2020-25244

This CVE involves a high severity vulnerability in Siemens' LOGO! Soft Comfort software.

What is CVE-2020-25244?

The vulnerability in LOGO! Soft Comfort software allows insecure loading of libraries, making it susceptible to DLL hijacking. Exploitation by a local attacker could result in a complete system compromise.

The Impact of CVE-2020-25244

The exploitation of this vulnerability could lead to a full system takeover where the affected software is installed, posing a significant security risk.

Technical Details of CVE-2020-25244

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability is classified as CWE-427: Uncontrolled Search Path Element, indicating an issue with how the software handles library loading, potentially leading to DLL hijacking.

Affected Systems and Versions

Vendor: Siemens
Product: LOGO! Soft Comfort
Affected Versions: All versions < V8.4
Default Status: Unknown

Exploitation Mechanism

The vulnerability arises from the insecure loading of libraries within the software, creating an opportunity for DLL hijacking by a local attacker.

Mitigation and Prevention

Protecting systems from CVE-2020-25244 requires immediate action and long-term security practices.

Immediate Steps to Take

Update LOGO! Soft Comfort to version V8.4 or higher to mitigate the vulnerability.
Monitor for any unusual system behavior that could indicate exploitation.

Long-Term Security Practices

Implement least privilege access controls to limit the impact of potential attacks.
Regularly update and patch software to address known vulnerabilities.

Patching and Updates

Siemens may release patches or updates to address the vulnerability. Stay informed about security advisories and apply patches promptly.