CVE-2018-20409 : Exploit Details and Defense Strategies

Bento4 version 1.5.1-627 has a heap-based buffer over-read issue in the AP4_AvccAtom::Create function.

Understanding CVE-2018-20409

Bento4 version 1.5.1-627 has a vulnerability that allows a heap-based buffer over-read in a specific function.

What is CVE-2018-20409?

This CVE identifies a heap-based buffer over-read problem in Bento4 version 1.5.1-627, specifically in the AP4_AvccAtom::Create function within the Core/Ap4AvccAtom.cpp file. The issue has been demonstrated by the mp42hls software.

The Impact of CVE-2018-20409

The vulnerability could potentially be exploited by attackers to read sensitive information from the heap, leading to a security breach or unauthorized access.

Technical Details of CVE-2018-20409

Bento4 version 1.5.1-627 is affected by a heap-based buffer over-read issue.

Vulnerability Description

The problem lies in the AP4_AvccAtom::Create function within the Core/Ap4AvccAtom.cpp file, allowing unauthorized heap memory access.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a specific request to trigger the buffer over-read, potentially leading to information disclosure.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Apply security patches or updates provided by the software vendor.
Monitor for any unusual activities on the system that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and systems to ensure the latest security patches are in place.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Ensure that the affected Bento4 version is updated to a patched version that addresses the heap-based buffer over-read issue.