CVE-2021-35307 : Vulnerability Insights and Analysis

This article provides an overview of CVE-2021-35307, a vulnerability discovered in Bento4 through v1.6.0-636 that allows an attacker to cause a denial of service (DOS) through a NULL pointer dereference in the AP4_DescriptorFinder::Test component.

Understanding CVE-2021-35307

CVE-2021-35307 is a vulnerability in Bento4 through v1.6.0-636 that poses a risk of DOS through a NULL pointer dereference.

What is CVE-2021-35307?

CVE-2021-35307 is an issue in the AP4_DescriptorFinder::Test component in Bento4 through v1.6.0-636, enabling attackers to trigger a denial of service attack.

The Impact of CVE-2021-35307

The vulnerability can be exploited by malicious actors to disrupt services and potentially cause downtime for affected systems.

Technical Details of CVE-2021-35307

The technical details of the CVE-2021-35307 vulnerability include:

Vulnerability Description

A NULL pointer dereference exists in the AP4_DescriptorFinder::Test component, leading to a potential denial of service attack.

Affected Systems and Versions

Bento4 through v1.6.0-636 is affected by this vulnerability, putting systems with these versions at risk.

Exploitation Mechanism

Attackers can exploit this vulnerability to trigger a denial of service attack, impacting system availability and causing disruptions.

Mitigation and Prevention

To address CVE-2021-35307, consider the following mitigation strategies:

Immediate Steps to Take

Update Bento4 to a patched version that addresses the NULL pointer dereference issue.
Monitor system logs for any suspicious activity that could indicate an exploitation attempt.

Long-Term Security Practices

Implement regular security updates and patches for Bento4 to prevent known vulnerabilities.
Conduct routine security assessments and audits to identify and address any potential weaknesses.

Patching and Updates

Stay informed about security advisories related to Bento4 and promptly apply patches and updates to ensure the protection of your systems.