CVE-2023-50120 : What You Need to Know

This article provides detailed information about CVE-2023-50120, a vulnerability found in MP4Box GPAC version 2.3-DEV-rev636-gfbd7e13aa-master that can lead to a Denial of Service attack.

Understanding CVE-2023-50120

This section covers the impact, technical details, and mitigation strategies for CVE-2023-50120.

What is CVE-2023-50120?

CVE-2023-50120 is a vulnerability identified in MP4Box GPAC version 2.3-DEV-rev636-gfbd7e13aa-master that involves an infinite loop in the function av1_uvlc at media_tools/av_parsers.c. This flaw can be exploited by attackers to trigger a Denial of Service (DoS) attack by using a specially crafted MP4 file.

The Impact of CVE-2023-50120

The impact of CVE-2023-50120 is the potential for attackers to disrupt the normal operation of the affected system by causing a DoS condition. This can lead to service unavailability, loss of data, and other adverse effects.

Technical Details of CVE-2023-50120

This section delves into the vulnerability description, affected systems, and the exploitation mechanism of CVE-2023-50120.

Vulnerability Description

The vulnerability arises due to an infinite loop in the av1_uvlc function within MP4Box GPAC version 2.3-DEV-rev636-gfbd7e13aa-master at media_tools/av_parsers.c. Attackers can exploit this flaw using a malicious MP4 file to trigger the DoS condition.

Affected Systems and Versions

All versions of MP4Box GPAC version 2.3-DEV-rev636-gfbd7e13aa-master are impacted by this vulnerability. Users of this software version should take immediate action to mitigate the risk.

Exploitation Mechanism

Attackers can exploit CVE-2023-50120 by creating a specifically crafted MP4 file and leveraging the infinite loop in the av1_uvlc function to disrupt the normal operation of the software, resulting in a DoS condition.

Mitigation and Prevention

In this section, strategies to mitigate the impact of CVE-2023-50120 are discussed, including immediate steps and long-term security practices.

Immediate Steps to Take

Users and organizations should apply security patches provided by the software vendor or consider alternative solutions to address the vulnerability and prevent successful exploitation by threat actors.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security assessments, and staying informed about software vulnerabilities are essential for maintaining a robust security posture and protecting against future threats.

Patching and Updates

Regularly check for patches and updates released by MP4Box GPAC to address CVE-2023-50120. Timely application of patches is crucial to eliminating the vulnerability and strengthening the security of the affected systems.