CVE-2019-17528 : Security Advisory and Response

Bento4 version 1.5.1.0 has a critical vulnerability that leads to a segmentation fault (SEGV) in specific functions, posing a security risk.

Understanding CVE-2019-17528

This CVE identifies a flaw in Bento4 version 1.5.1.0 that triggers a SEGV during certain function calls.

What is CVE-2019-17528?

The vulnerability in Bento4 version 1.5.1.0 causes a SEGV in the AP4_TfhdAtom::SetDefaultSampleSize function when invoked from AP4_Processor::ProcessFragments.

The Impact of CVE-2019-17528

The vulnerability can be exploited by attackers to cause a denial of service (DoS) or potentially execute arbitrary code on affected systems.

Technical Details of CVE-2019-17528

Bento4 version 1.5.1.0 vulnerability details.

Vulnerability Description

A SEGV occurs in the AP4_TfhdAtom::SetDefaultSampleSize function in Bento4 version 1.5.1.0 when called from AP4_Processor::ProcessFragments.

Affected Systems and Versions

Product: Bento4
Vendor: N/A
Version: 1.5.1.0

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious inputs to trigger the SEGV, potentially leading to DoS or code execution.

Mitigation and Prevention

Protecting systems from CVE-2019-17528.

Immediate Steps to Take

Update Bento4 to a patched version that addresses the vulnerability.
Implement proper input validation to mitigate potential exploitation.

Long-Term Security Practices

Regularly update software to the latest versions to patch known vulnerabilities.
Conduct security assessments and audits to identify and remediate weaknesses.

Patching and Updates

Ensure timely application of security patches and updates to mitigate the risk of exploitation.