CVE-2020-28595 : What You Need to Know

Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856) are affected by an out-of-bounds write vulnerability in the Obj.cpp load_obj() function, potentially leading to code execution.

Understanding CVE-2020-28595

This CVE involves a high-severity vulnerability in Prusa Research PrusaSlicer software.

What is CVE-2020-28595?

An out-of-bounds write vulnerability in Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856) allows an attacker to execute code by providing a specially crafted obj file.

The Impact of CVE-2020-28595

CVSS Base Score: 8.8 (High)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High
This vulnerability can be exploited without user privileges, potentially leading to severe consequences.

Technical Details of CVE-2020-28595

Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856) are susceptible to this vulnerability.

Vulnerability Description

The vulnerability exists in the Obj.cpp load_obj() function, allowing an attacker to trigger code execution through a malicious obj file.

Affected Systems and Versions

Affected Versions: Prusa Research PrusaSlicer 2.2.0, Prusa Research PrusaSlicer Master (commit 4b040b856)

Exploitation Mechanism

The vulnerability can be exploited by providing a specially crafted obj file to the affected software.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-28595.

Immediate Steps to Take

Update Prusa Research PrusaSlicer to a patched version.
Avoid opening obj files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network security measures to prevent unauthorized access.

Patching and Updates

Ensure that all systems running Prusa Research PrusaSlicer are updated with the latest security patches to address this vulnerability.