CVE-2021-40562 : Vulnerability Insights and Analysis

This CVE record pertains to a Segmentation fault caused by a floating point exception in Gpac through version 1.0.1, resulting in a denial of service vulnerability.

Understanding CVE-2021-40562

This section will delve into the details of the CVE-2021-40562 vulnerability.

What is CVE-2021-40562?

CVE-2021-40562 involves a Segmentation fault triggered by a floating point exception found in Gpac through version 1.0.1. The vulnerability is caused by the naludmx_enqueue_or_dispatch function in reframe_nalu.c, leading to a denial of service.

The Impact of CVE-2021-40562

The presence of this vulnerability can result in a denial of service attack.

Technical Details of CVE-2021-40562

This section will outline the technical aspects of CVE-2021-40562.

Vulnerability Description

The vulnerability manifests as a Segmentation fault due to a floating point exception in Gpac through version 1.0.1, specifically via the naludmx_enqueue_or_dispatch function in reframe_nalu.c.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Affected Versions: All versions up to and including 1.0.1

Exploitation Mechanism

The exploitation of this vulnerability can lead to a denial of service, impacting the availability of the affected system.

Mitigation and Prevention

In this section, we will cover the mitigation strategies and preventive measures for CVE-2021-40562.

Immediate Steps to Take

It is advised to update Gpac to a version that addresses the vulnerability.
Implement network security controls to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly monitor security mailing lists and vendor advisories for updates on vulnerabilities.
Conduct periodic security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Develop and adhere to a robust patch management process to ensure timely application of security updates.