CVE-2019-20092 : Vulnerability Insights and Analysis

Bento4 version 1.5.1.0 has a vulnerability that leads to a NULL pointer dereference in specific functions, potentially causing a denial of service.

Understanding CVE-2019-20092

This CVE identifies a critical issue in Bento4 version 1.5.1.0 that can be exploited to trigger a NULL pointer dereference.

What is CVE-2019-20092?

The vulnerability in Bento4 version 1.5.1.0 allows attackers to cause a NULL pointer dereference in certain functions, leading to a possible denial of service.

The Impact of CVE-2019-20092

The exploitation of this vulnerability can result in a denial of service condition, potentially disrupting the normal operation of the affected system.

Technical Details of CVE-2019-20092

Bento4 version 1.5.1.0 is susceptible to a NULL pointer dereference in specific functions.

Vulnerability Description

The issue occurs in the function AP4_Descriptor::GetTag within the file mp42ts when called from AP4_EsDescriptor::GetDecoderConfigDescriptor in Ap4EsDescriptor.cpp.

Affected Systems and Versions

Product: Bento4
Vendor: N/A
Version: 1.5.1.0

Exploitation Mechanism

Attackers can exploit this vulnerability by triggering the NULL pointer dereference in the mentioned functions, potentially leading to a denial of service.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-20092.

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Monitor vendor communications for any specific mitigation guidance.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Implement network security measures to detect and prevent exploitation attempts.

Patching and Updates

Ensure that the affected Bento4 version is updated to a patched version that addresses the NULL pointer dereference vulnerability.