CVE-2019-17530 : What You Need to Know

A vulnerability was found in Bento4 version 1.5.1.0 that involves a heap-based buffer over-read in specific methods within the Bento4 codebase.

Understanding CVE-2019-17530

This CVE identifies a security issue in Bento4 version 1.5.1.0.

What is CVE-2019-17530?

The vulnerability in CVE-2019-17530 is related to an over-read of a heap-based buffer in the method AP4_PrintInspector::AddField in the file Core/Ap4Atom.cpp, which is called from other methods within the Bento4 codebase.

The Impact of CVE-2019-17530

This vulnerability could potentially be exploited by an attacker to execute arbitrary code or cause a denial of service by crashing the application.

Technical Details of CVE-2019-17530

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability involves a heap-based buffer over-read in the method AP4_PrintInspector::AddField in the file Core/Ap4Atom.cpp within Bento4 version 1.5.1.0.

Affected Systems and Versions

Affected Version: Bento4 version 1.5.1.0
Systems using this specific version are vulnerable to the exploit.

Exploitation Mechanism

The method AP4_PrintInspector::AddField is called from AP4_CencSampleEncryption::DoInspectFields in Core/Ap4CommonEncryption.cpp, which is further called from AP4_Atom::Inspect in Core/Ap4Atom.cpp, creating a chain that can be exploited by malicious actors.

Mitigation and Prevention

Protecting systems from CVE-2019-17530 is crucial to maintaining security.

Immediate Steps to Take

Update Bento4 to a patched version that addresses the vulnerability.
Monitor for any unusual activities on the system that could indicate exploitation.

Long-Term Security Practices

Regularly update software and libraries to prevent known vulnerabilities.
Implement code reviews and security testing in the development process.

Patching and Updates

Stay informed about security updates for Bento4 and apply patches promptly to mitigate risks.