CVE-2021-33364 : Exploit Details and Defense Strategies

A memory leak vulnerability was discovered in the def_parent_box_new function in MP4Box in GPAC 1.0.1, allowing attackers to read memory through a specially crafted file.

Understanding CVE-2021-33364

This CVE identifies a memory leak issue in GPAC 1.0.1 that can be exploited by attackers to access sensitive information.

What is CVE-2021-33364?

The CVE-2021-33364 vulnerability involves the def_parent_box_new function in MP4Box within GPAC 1.0.1, enabling malicious actors to extract memory contents by utilizing a malicious file.

The Impact of CVE-2021-33364

The impact of this vulnerability lies in unauthorized access to potentially confidential data stored in memory, posing a significant security risk to affected systems.

Technical Details of CVE-2021-33364

This section outlines specific technical aspects of the CVE.

Vulnerability Description

The vulnerability arises due to a memory leak in the def_parent_box_new function of MP4Box in GPAC 1.0.1, which permits memory reading via a maliciously crafted file.

Affected Systems and Versions

The affected systems include GPAC version 1.0.1, exposing them to the memory leak issue in the def_parent_box_new function.

Exploitation Mechanism

By exploiting this vulnerability, threat actors can exploit the memory leak to gain unauthorized access to sensitive information contained within the affected systems.

Mitigation and Prevention

Protective measures to address the CVE-2021-33364 vulnerability.

Immediate Steps to Take

Immediate steps involve updating GPAC to a non-vulnerable version and monitoring for any unauthorized access attempts.

Long-Term Security Practices

Implementing robust security protocols, conducting regular system scans, and educating users on safe file handling practices.

Patching and Updates

Applying relevant security patches and staying informed about software updates to prevent exploitation of known vulnerabilities.