CVE-2019-12481 Explained : Impact and Mitigation

A vulnerability was detected in GPAC 0.7.1 that allows for a NULL pointer dereference in the function GetESD in libgpac.a, specifically in isomedia/track.c. This vulnerability can be exploited using MP4Box.

Understanding CVE-2019-12481

This CVE identifies a specific security issue in GPAC 0.7.1.

What is CVE-2019-12481?

CVE-2019-12481 is a vulnerability in GPAC 0.7.1 that leads to a NULL pointer dereference in the GetESD function within libgpac.a, located in isomedia/track.c. The vulnerability can be triggered through the utilization of MP4Box.

The Impact of CVE-2019-12481

The vulnerability can potentially be exploited by attackers to cause a denial of service or execute arbitrary code on affected systems.

Technical Details of CVE-2019-12481

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in GPAC 0.7.1 results from a NULL pointer dereference in the GetESD function within libgpac.a at isomedia/track.c. This issue can be leveraged via MP4Box.

Affected Systems and Versions

Affected Version: GPAC 0.7.1
Systems: Any system running GPAC 0.7.1 is vulnerable to this issue.

Exploitation Mechanism

The vulnerability can be exploited by utilizing MP4Box to trigger the NULL pointer dereference in the GetESD function.

Mitigation and Prevention

Protecting systems from CVE-2019-12481 requires specific actions.

Immediate Steps to Take

Update GPAC to a patched version that addresses the NULL pointer dereference issue.
Avoid using MP4Box until the vulnerability is mitigated.

Long-Term Security Practices

Regularly update software and libraries to prevent known vulnerabilities.
Implement proper input validation and error handling in applications to reduce the risk of exploitation.

Patching and Updates

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