CVE-2019-12483 : Security Advisory and Response

GPAC 0.7.1 has a heap-based buffer overflow vulnerability in the function ReadGF_IPMPX_RemoveToolNotificationListener in libgpac.a, affecting MP4Box.

Understanding CVE-2019-12483

What is CVE-2019-12483?

An issue in GPAC 0.7.1 leads to a heap-based buffer overflow in a specific function within libgpac.a, as demonstrated in MP4Box.

The Impact of CVE-2019-12483

This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the buffer overflow.

Technical Details of CVE-2019-12483

Vulnerability Description

The vulnerability exists in the ReadGF_IPMPX_RemoveToolNotificationListener function in odf/ipmpx_code.c within libgpac.a.

Affected Systems and Versions

Product: GPAC 0.7.1
Versions: All versions are affected

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious MP4 file to trigger the heap-based buffer overflow.

Mitigation and Prevention

Immediate Steps to Take

Apply the security update provided by GPAC to patch the vulnerability.
Avoid opening untrusted MP4 files to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update software and libraries to prevent known vulnerabilities.
Implement proper input validation and boundary checks in code to prevent buffer overflows.

Patching and Updates

Ensure that GPAC is updated to the latest version to address the heap-based buffer overflow vulnerability.