CVE-2019-20164 : Exploit Details and Defense Strategies

GPAC versions 0.8.0 and 0.9.0-development-20191109 are affected by a vulnerability in the function gf_isom_box_del() in isomedia/box_funcs.c, leading to a NULL pointer dereference.

Understanding CVE-2019-20164

This CVE identifies a specific vulnerability in GPAC software versions.

What is CVE-2019-20164?

CVE-2019-20164 points out a flaw in GPAC versions 0.8.0 and 0.9.0-development-20191109, where the function gf_isom_box_del() in isomedia/box_funcs.c allows for a NULL pointer dereference.

The Impact of CVE-2019-20164

The vulnerability can potentially lead to a denial of service (DoS) condition or other security issues.

Technical Details of CVE-2019-20164

This section delves into the technical aspects of the CVE.

Vulnerability Description

The issue lies in the function gf_isom_box_del() in isomedia/box_funcs.c, causing a NULL pointer dereference.

Affected Systems and Versions

GPAC version 0.8.0
GPAC version 0.9.0-development-20191109

Exploitation Mechanism

Exploiting this vulnerability may allow attackers to trigger a DoS condition or potentially execute arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2019-20164 is crucial.

Immediate Steps to Take

Apply patches or updates provided by GPAC promptly.
Monitor vendor communications for security advisories.
Consider implementing network-level protections.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Conduct security assessments and penetration testing.
Educate users on safe computing practices.
Implement access controls and least privilege principles.

Patching and Updates

Ensure that all GPAC software is updated to versions that address the vulnerability.