CVE-2020-20445 : What You Need to Know

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

Understanding CVE-2020-20445

FFmpeg 4.2 is vulnerable to a specific issue that can be exploited by attackers to trigger a Denial of Service attack.

What is CVE-2020-20445?

CVE-2020-20445 is a vulnerability in FFmpeg 4.2 that stems from a Divide By Zero issue in libavcodec/lpc.h, enabling a remote malicious user to disrupt services by causing a Denial of Service.

The Impact of CVE-2020-20445

The vulnerability poses a significant risk as it allows attackers to remotely exploit the Divide By Zero issue, potentially leading to service disruption and system unavailability.

Technical Details of CVE-2020-20445

FFmpeg 4.2 vulnerability details and affected systems.

Vulnerability Description

The vulnerability in FFmpeg 4.2 arises from a Divide By Zero issue in libavcodec/lpc.h, which can be leveraged by remote attackers to instigate a Denial of Service attack.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit the vulnerability by sending specially crafted input to the affected FFmpeg 4.2, triggering the Divide By Zero issue and causing a Denial of Service.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2020-20445 vulnerability.

Immediate Steps to Take

Apply the security updates provided by FFmpeg promptly.
Monitor security advisories for any new information or patches related to this vulnerability.

Long-Term Security Practices

Regularly update FFmpeg and other software components to the latest versions.
Implement network security measures to detect and block malicious traffic targeting this vulnerability.

Patching and Updates

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