CVE-2018-14543 : Security Advisory and Response

Bento4 version 1.5.1-624 contains a vulnerability that allows attackers to create a denial-of-service scenario by utilizing a malicious mp4 file.

Understanding CVE-2018-14543

This CVE involves a NULL pointer dereference vulnerability in AP4_JsonInspector::AddField in Ap4Atom.cpp in Bento4 1.5.1-624.

What is CVE-2018-14543?

The vulnerability in Bento4 1.5.1-624 enables attackers to trigger a denial-of-service situation by using a crafted mp4 file and the executable mp4dump.

The Impact of CVE-2018-14543

Attackers can exploit this vulnerability to cause a denial-of-service condition on systems running the affected Bento4 version.

Technical Details of CVE-2018-14543

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in AP4_JsonInspector::AddField in Ap4Atom.cpp in Bento4 1.5.1-624 allows for a NULL pointer dereference, leading to a denial-of-service attack via a malicious mp4 file.

Affected Systems and Versions

Product: Bento4
Vendor: N/A
Version: 1.5.1-624

Exploitation Mechanism

The vulnerability can be exploited by using a specially crafted mp4 file in conjunction with the executable mp4dump.

Mitigation and Prevention

Protecting systems from CVE-2018-14543 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Bento4 to a patched version if available
Avoid opening untrusted mp4 files

Long-Term Security Practices

Regularly update software and firmware
Implement network segmentation and access controls

Patching and Updates

Ensure that all software components, including Bento4, are regularly updated with the latest security patches.