CVE-2020-6149 : Exploit Details and Defense Strategies

A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when parsing compressed sections in binary USD files, potentially impacting Apple macOS Catalina 10.15.3.

Understanding CVE-2020-6149

This CVE involves a heap overflow vulnerability in Pixar OpenUSD 20.05, affecting specific versions of Apple macOS Catalina.

What is CVE-2020-6149?

The vulnerability occurs during the parsing of compressed sections in binary USD files.
Exploitation requires opening a malicious file in a USDC file format PATHS section.

The Impact of CVE-2020-6149

CVSS Score: 8.8 (High)
Severity: High
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Confidentiality, Integrity, and Availability Impact: High
Attack Complexity: Low
User Interaction: Required

Technical Details of CVE-2020-6149

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is a heap overflow issue (CWE-122) in Pixar OpenUSD 20.05.

Affected Systems and Versions

Affected Products: Pixar OpenUSD 20.05, Apple macOS Catalina 10.15.3

Exploitation Mechanism

The vulnerability is triggered by opening a specially crafted file in a specific file format.

Mitigation and Prevention

Protecting systems from CVE-2020-6149 requires immediate actions and long-term security practices.

Immediate Steps to Take

Avoid opening files from untrusted sources.
Apply security updates and patches promptly.

Long-Term Security Practices

Regularly update software and operating systems.
Implement security best practices to prevent similar vulnerabilities.

Patching and Updates

Install the latest security patches provided by Pixar and Apple to address the vulnerability.