CVE-2019-20090 : What You Need to Know

A vulnerability was found in Bento4 1.5.1.0 that leads to a use-after-free issue in the AP4_Sample::GetOffset function.

Understanding CVE-2019-20090

This CVE identifies a specific vulnerability in Bento4 1.5.1.0.

What is CVE-2019-20090?

The vulnerability in Bento4 1.5.1.0 results from a use-after-free occurrence in the AP4_Sample::GetOffset function within the file Core/Ap4Sample.h, which is called from Ap4LinearReader.cpp.

The Impact of CVE-2019-20090

The vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial of service by exploiting the use-after-free issue.

Technical Details of CVE-2019-20090

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability arises from a use-after-free issue in the AP4_Sample::GetOffset function within the Bento4 software.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by triggering the use-after-free condition in the AP4_Sample::GetOffset function.

Mitigation and Prevention

Protecting systems from CVE-2019-20090 is crucial to maintaining security.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update software and apply security patches to prevent known vulnerabilities.
Conduct security audits and code reviews to identify and address potential issues proactively.

Patching and Updates

Stay informed about security advisories related to Bento4 and promptly apply patches released by the vendor to mitigate vulnerabilities.