CVE-2020-20446 Explained : Impact and Mitigation

FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aacpsy.c, leading to a Denial of Service.

Understanding CVE-2020-20446

FFmpeg 4.2 is susceptible to a specific vulnerability that can be exploited by a remote malicious user to trigger a Denial of Service attack.

What is CVE-2020-20446?

This CVE refers to a Divide By Zero issue in FFmpeg 4.2 through libavcodec/aacpsy.c, enabling an attacker to disrupt services remotely.

The Impact of CVE-2020-20446

The vulnerability allows a remote malicious user to cause a Denial of Service (DoS) attack on systems running FFmpeg 4.2, potentially leading to service disruption.

Technical Details of CVE-2020-20446

FFmpeg 4.2 vulnerability details and affected systems.

Vulnerability Description

The vulnerability arises from a Divide By Zero issue in FFmpeg 4.2 via libavcodec/aacpsy.c, which can be exploited by attackers.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited remotely by a malicious user to trigger a Divide By Zero issue in FFmpeg 4.2, causing a Denial of Service.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2020-20446.

Immediate Steps to Take

Apply security patches promptly to address the vulnerability in FFmpeg 4.2.
Monitor security advisories from relevant sources for updates.

Long-Term Security Practices

Regularly update FFmpeg to the latest version to prevent known vulnerabilities.
Implement network security measures to restrict unauthorized access.

Patching and Updates

Stay informed about security updates and patches released by FFmpeg.
Ensure timely application of patches to secure systems against potential exploits.