CVE-2020-20453 : Security Advisory and Response

FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aaccoder, allowing a remote malicious user to cause a Denial of Service.

Understanding CVE-2020-20453

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

What is CVE-2020-20453?

CVE-2020-20453 is a vulnerability in FFmpeg 4.2 that arises from a Divide By Zero issue in libavcodec/aaccoder, enabling a remote attacker to disrupt services.

The Impact of CVE-2020-20453

The vulnerability in FFmpeg 4.2 can have the following consequences:

Remote attackers can exploit the Divide By Zero issue to cause a Denial of Service (DoS) on the affected system.

Technical Details of CVE-2020-20453

FFmpeg 4.2 vulnerability details and affected systems.

Vulnerability Description

The vulnerability in FFmpeg 4.2 is due to a Divide By Zero issue in libavcodec/aaccoder, which can be leveraged by remote attackers for a DoS attack.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited remotely by malicious users to trigger a Divide By Zero issue in libavcodec/aaccoder, leading to a Denial of Service.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2020-20453 vulnerability.

Immediate Steps to Take

Apply security patches provided by FFmpeg promptly.
Monitor security advisories for updates on this vulnerability.

Long-Term Security Practices

Regularly update FFmpeg and other software components to the latest versions.
Implement network security measures to prevent unauthorized access.

Patching and Updates

Ensure that FFmpeg is updated to a patched version that addresses the Divide By Zero issue in libavcodec/aaccoder.