CVE-2019-20167 : Vulnerability Insights and Analysis

A vulnerability was identified in GPAC versions 0.8.0 and 0.9.0-development-20191109. The function senc_Parse() in isomedia/box_code_drm.c is susceptible to a NULL pointer dereference issue.

Understanding CVE-2019-20167

This CVE pertains to a vulnerability in GPAC versions 0.8.0 and 0.9.0-development-20191109 that can lead to a NULL pointer dereference in the senc_Parse() function.

What is CVE-2019-20167?

CVE-2019-20167 is a vulnerability found in GPAC versions 0.8.0 and 0.9.0-development-20191109, specifically in the senc_Parse() function within isomedia/box_code_drm.c. This flaw can result in a NULL pointer dereference issue.

The Impact of CVE-2019-20167

The vulnerability could potentially be exploited by attackers to cause a denial of service (DoS) or execute arbitrary code on the affected system.

Technical Details of CVE-2019-20167

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in GPAC versions 0.8.0 and 0.9.0-development-20191109 allows for a NULL pointer dereference in the senc_Parse() function within isomedia/box_code_drm.c.

Affected Systems and Versions

GPAC version 0.8.0
GPAC version 0.9.0-development-20191109

Exploitation Mechanism

Attackers can exploit this vulnerability to trigger a NULL pointer dereference, potentially leading to a DoS condition or arbitrary code execution.

Mitigation and Prevention

To address CVE-2019-20167, follow these mitigation strategies:

Immediate Steps to Take

Update GPAC to a patched version that addresses the NULL pointer dereference issue.
Monitor for any unusual system behavior that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and systems to prevent known vulnerabilities.
Implement network security measures to detect and block malicious activities.

Patching and Updates

Apply patches provided by GPAC promptly to fix the vulnerability and enhance system security.