CVE-2022-47653 : Security Advisory and Response

A buffer overflow vulnerability has been identified in GPAC MP4box 2.1-DEV-rev593-g007bf61a0 in the eac3_update_channels function of media_tools/av_parsers.c. This CVE was published on January 5, 2023.

Understanding CVE-2022-47653

This section provides insights into the vulnerability and its impact.

What is CVE-2022-47653?

The CVE-2022-47653 involves a buffer overflow in the eac3_update_channels function of GPAC MP4box.

The Impact of CVE-2022-47653

The vulnerability could allow an attacker to execute arbitrary code or crash the application, leading to a denial of service.

Technical Details of CVE-2022-47653

Explore the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability exists in the eac3_update_channels function of media_tools/av_parsers.c, specifically in version 2.1-DEV-rev593-g007bf61a0 of GPAC MP4box.

Affected Systems and Versions

All versions of GPAC MP4box 2.1-DEV-rev593-g007bf61a0 are affected by this buffer overflow vulnerability.

Exploitation Mechanism

An attacker can exploit this vulnerability by crafting a malicious MP4 file to trigger the buffer overflow, potentially leading to arbitrary code execution or a crash.

Mitigation and Prevention

Discover how to mitigate the risks associated with CVE-2022-47653.

Immediate Steps to Take

It is recommended to avoid opening untrusted MP4 files and apply security updates as soon as they are available.

Long-Term Security Practices

Implement secure coding practices, perform regular security assessments, and educate users about safe file handling.

Patching and Updates

Stay informed about security patches and updates released by the vendor to address this vulnerability.