CVE-2023-46928 : Security Advisory and Response

GPAC 2.3-DEV-rev605-gfc9e29089-master contains a SEGV in gpac/MP4Box in gf_media_change_pl /afltest/gpac/src/media_tools/isom_tools.c:3293:42.

Understanding CVE-2023-46928

This CVE involves a segmentation fault vulnerability in GPAC version 2.3-DEV-rev605-gfc9e29089-master.

What is CVE-2023-46928?

The vulnerability in this version of GPAC can lead to a segmentation fault in the gpac/MP4Box function.

The Impact of CVE-2023-46928

If exploited, this vulnerability could result in a denial of service condition or potentially arbitrary code execution.

Technical Details of CVE-2023-46928

This section covers the specific technical aspects of the CVE.

Vulnerability Description

The issue arises in the gf_media_change_pl function in the isom_tools.c file at a specific line, leading to a segmentation fault.

Affected Systems and Versions

The specific affected version is GPAC 2.3-DEV-rev605-gfc9e29089-master. Other versions may not be impacted.

Exploitation Mechanism

Exploiting this vulnerability may involve crafting a specially designed file or input that triggers the segmentation fault.

Mitigation and Prevention

To address CVE-2023-46928, certain steps should be taken to mitigate risk and prevent exploitation.

Immediate Steps to Take

Users are advised to refrain from using the affected version of GPAC and avoid opening or processing untrusted media files.

Long-Term Security Practices

Regularly updating software and employing security measures can help prevent such vulnerabilities in the future.

Patching and Updates

It is recommended to apply patches or updates provided by the GPAC project to fix the vulnerability and enhance system security.