CVE-2020-25243 : Security Advisory and Response

A vulnerability has been identified in LOGO! Soft Comfort (All versions < V8.4) that could lead to a system takeover by an attacker.

Understanding CVE-2020-25243

This CVE involves a zip slip vulnerability in LOGO! Soft Comfort software.

What is CVE-2020-25243?

The vulnerability allows an attacker to trigger a zip slip vulnerability by importing a compromised project file into the affected software. When combined with other vulnerabilities, it could result in a complete system takeover.

The Impact of CVE-2020-25243

The vulnerability has a CVSS base score of 5.1, categorizing it as MEDIUM severity. If exploited, it could lead to an attacker taking control of the system.

Technical Details of CVE-2020-25243

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability is classified as CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal').

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by importing a compromised project file into the software, triggering a zip slip vulnerability.

Mitigation and Prevention

Protecting systems from CVE-2020-25243 is crucial to prevent potential attacks.

Immediate Steps to Take

Update the software to version V8.4 or higher to mitigate the vulnerability.
Avoid importing project files from untrusted sources.

Long-Term Security Practices

Regularly update software and apply security patches.
Conduct security assessments to identify and address vulnerabilities.

Patching and Updates

Ensure that the software is regularly updated to the latest version to patch known vulnerabilities.