CVE-2021-40606 Explained : Impact and Mitigation

This CVE record discusses a vulnerability in the gf_bs_write_data function in GPAC 1.0.1 that allows attackers to cause a denial of service via a crafted file in the MP4Box command.

Understanding CVE-2021-40606

This section provides an insight into the description, impact, and technical details of CVE-2021-40606.

What is CVE-2021-40606?

The gf_bs_write_data function in GPAC 1.0.1 is susceptible to an exploit that can lead to a denial of service attack when a malicious file is used with the MP4Box command.

The Impact of CVE-2021-40606

The vulnerability in GPAC 1.0.1 can be exploited by attackers to disrupt services by causing a denial of service.

Technical Details of CVE-2021-40606

Explore the specific technical details of CVE-2021-40606 below.

Vulnerability Description

The vulnerability lies in the gf_bs_write_data function in GPAC 1.0.1, enabling denial of service attacks through crafted files in the MP4Box command.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Version status: affected

Exploitation Mechanism

The exploitation involves leveraging the vulnerable gf_bs_write_data function in GPAC 1.0.1 by utilizing a specially crafted file with the MP4Box command.

Mitigation and Prevention

Learn about the steps to mitigate and prevent the risks associated with CVE-2021-40606.

Immediate Steps to Take

Upgrade GPAC to a patched version to mitigate the vulnerability
Avoid opening MP4 files from untrusted sources

Long-Term Security Practices

Regularly update software and firmware to address security vulnerabilities
Employ network-level security measures to detect and block malicious traffic

Patching and Updates

Ensure timely installation of patches and updates for GPAC to fix the vulnerability.