CVE-2018-20095 : What You Need to Know

Bento4 1.5.1-627 contains a vulnerability in the EnsureCapacity function within Core/Ap4Array.h, allowing a specially crafted MP4 file to trigger excessive memory allocation. This issue has been demonstrated by the mp42hls tool.

Understanding CVE-2018-20095

This CVE identifies a vulnerability in Bento4 1.5.1-627 that can be exploited through a malicious MP4 file, leading to memory allocation problems.

What is CVE-2018-20095?

CVE-2018-20095 is a vulnerability in Bento4 1.5.1-627 that arises from improper handling of crafted MP4 files, resulting in excessive memory allocation.

The Impact of CVE-2018-20095

The vulnerability allows attackers to exploit the EnsureCapacity function, causing the application to perform unnecessary memory allocation, potentially leading to denial of service or system instability.

Technical Details of CVE-2018-20095

Bento4 1.5.1-627 vulnerability details.

Vulnerability Description

The vulnerability lies in the EnsureCapacity function in Core/Ap4Array.h, triggered by specially crafted MP4 files, leading to excessive memory allocation.

Affected Systems and Versions

Product: Bento4 1.5.1-627
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by providing a malicious MP4 file, causing the application to perform excessive memory allocation.

Mitigation and Prevention

Protecting systems from CVE-2018-20095.

Immediate Steps to Take

Avoid opening or playing untrusted MP4 files.
Implement file type validation mechanisms.
Monitor system memory usage for anomalies.

Long-Term Security Practices

Keep software and libraries updated.
Conduct regular security audits and assessments.
Educate users on safe file handling practices.

Patching and Updates

Check for patches or updates from Bento4 to address this vulnerability.