CVE-2021-46237 : Vulnerability Insights and Analysis

An untrusted pointer dereference vulnerability exists in GPAC v1.1.0 that can lead to a Denial of Service (DoS).

Understanding CVE-2021-46237

This CVE describes a vulnerability in GPAC v1.1.0 that could result in a DoS attack.

What is CVE-2021-46237?

The vulnerability stems from an untrusted pointer dereference issue in GPAC v1.1.0 through the function gf_node_unregister() in base_scenegraph.c.

The Impact of CVE-2021-46237

This vulnerability allows attackers to exploit the system, causing a DoS condition, disrupting services or crashing the application.

Technical Details of CVE-2021-46237

This section details the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from an untrusted pointer dereference flaw in GPAC v1.1.0, specifically within the function gf_node_unregister() in base_scenegraph.c.

Affected Systems and Versions

Affected Version: GPAC v1.1.0
All systems using this version of GPAC are vulnerable to this DoS attack.

Exploitation Mechanism

Attackers can create a crafted input to exploit the vulnerability, potentially leading to a DoS scenario.

Mitigation and Prevention

Understanding how to mitigate and prevent the CVE is crucial.

Immediate Steps to Take

Consider upgrading to a patched version of GPAC if available.
Implement input validation mechanisms to prevent malicious inputs.

Long-Term Security Practices

Regularly update software to the latest secure versions.
Conduct security assessments and audits to identify vulnerabilities proactively.

Patching and Updates

Stay informed about security updates for GPAC and apply patches promptly.