CVE-2021-45764 : Exploit Details and Defense Strategies

CVE-2021-45764 relates to a vulnerability found in GPAC v1.1.0 concerning an invalid memory address dereference, specifically through the function shift_chunk_offsets.isra(). This CVE was published on January 14, 2022.

Understanding CVE-2021-45764

This section delves into the details of the CVE-2021-45764 vulnerability.

What is CVE-2021-45764?

CVE-2021-45764 involves a security issue in GPAC v1.1.0 that allows for an invalid memory address dereference via the function shift_chunk_offsets.isra().

The Impact of CVE-2021-45764

The vulnerability could lead to potential exploitation by attackers, compromising the integrity and security of systems using the affected GPAC version.

Technical Details of CVE-2021-45764

Outlined here are the technical aspects of CVE-2021-45764.

Vulnerability Description

The vulnerability allows for an invalid memory address dereference through the specific function shift_chunk_offsets.isra() in GPAC v1.1.0.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: n/a is affected.

Exploitation Mechanism

The exploitation of this vulnerability involves manipulating the function shift_chunk_offsets.isra() to access or modify memory addresses improperly.

Mitigation and Prevention

Learn how to mitigate and prevent CVE-2021-45764.

Immediate Steps to Take

Update GPAC to a patched version if available.
Monitor for any unusual activity on systems using GPAC v1.1.0.

Long-Term Security Practices

Regularly update software to address known vulnerabilities.
Implement network security measures to detect and prevent unauthorized access.
Conduct security audits and penetration testing regularly.

Patching and Updates

Ensure prompt installation of security patches provided by GPAC to address the CVE-2021-45764 vulnerability.