CVE-2020-28614 : Exploit Details and Defense Strategies

CVE-2020-28614, assigned by Talos, involves multiple code execution vulnerabilities in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. Attackers can exploit these vulnerabilities to achieve code execution through specially crafted malformed files.

Understanding CVE-2020-28614

What is CVE-2020-28614?

The CVE-2020-28614 vulnerability pertains to multiple code execution vulnerabilities in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. These vulnerabilities can be triggered by malicious input, leading to out-of-bounds reads and type confusion, ultimately resulting in code execution.

The Impact of CVE-2020-28614

The impact of CVE-2020-28614 is critical, with a CVSS base score of 10 (Critical). The vulnerability allows attackers to execute arbitrary code, posing a severe risk to confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2020-28614

Vulnerability Description

The vulnerability in Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1 allows for multiple code execution exploits, including out-of-bounds reads and type confusion, triggered by specially crafted files.

Affected Systems and Versions

Vendor: CGAL Project
Product: libcgal
Affected Version: CGAL-5.1.1

Exploitation Mechanism

The vulnerability can be exploited by providing malicious input to trigger out-of-bounds reads and type confusion, enabling attackers to execute arbitrary code.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by the vendor promptly.
Implement strict input validation to prevent malicious file execution.
Monitor for any unusual file parsing activities.

Long-Term Security Practices

Conduct regular security assessments and code reviews.
Stay informed about security updates and best practices.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.