CVE-2020-20448 : Security Advisory and Response

FFmpeg 4.1.3 is affected by a Divide By Zero issue via libavcodec/ratecontrol.c, allowing a remote malicious user to cause a Denial of Service.

Understanding CVE-2020-20448

FFmpeg 4.1.3 vulnerability impacting the rate control component.

What is CVE-2020-20448?

This CVE identifies a Divide By Zero vulnerability in FFmpeg 4.1.3, specifically in the libavcodec/ratecontrol.c file, enabling a remote attacker to trigger a Denial of Service attack.

The Impact of CVE-2020-20448

The vulnerability allows a malicious remote user to exploit the Divide By Zero issue, potentially leading to a Denial of Service condition on the affected system.

Technical Details of CVE-2020-20448

Details on the technical aspects of the vulnerability.

Vulnerability Description

FFmpeg 4.1.3 is susceptible to a Divide By Zero flaw via libavcodec/ratecontrol.c

Affected Systems and Versions

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

Exploitation Mechanism

Remote malicious users can exploit the vulnerability to trigger a Denial of Service attack.

Mitigation and Prevention

Measures to address and prevent the CVE-2020-20448 vulnerability.

Immediate Steps to Take

Apply vendor patches or updates if available
Monitor FFmpeg security advisories for fixes

Long-Term Security Practices

Regularly update FFmpeg to the latest version
Implement network security measures to prevent remote attacks

Patching and Updates

Check for patches or updates from FFmpeg to address the Divide By Zero vulnerability