CVE-2021-45291 Explained : Impact and Mitigation

The gf_dump_setup function in GPAC 1.0.1 allows malicious users to cause a denial of service (Invalid memory address dereference) via a crafted file in the MP4Box command.

Understanding CVE-2021-45291

What is CVE-2021-45291?

CVE-2021-45291 is a vulnerability found in the gf_dump_setup function in GPAC 1.0.1 that enables malicious actors to execute a denial of service attack by exploiting an invalid memory address dereference using a specially crafted file in the MP4Box command.

The Impact of CVE-2021-45291

This vulnerability could lead to a denial of service, causing the program to crash or become unresponsive, potentially disrupting critical operations or services.

Technical Details of CVE-2021-45291

Vulnerability Description

The vulnerability exists in the gf_dump_setup function within the GPAC 1.0.1 software, allowing attackers to exploit an invalid memory address dereference through a specifically designed file executed via the MP4Box command.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious file that triggers the flawed gf_dump_setup function in GPAC 1.0.1, leading to a denial of service condition.

Mitigation and Prevention

Immediate Steps to Take

Avoid opening untrusted MP4Box content from unknown or unverified sources.
Regularly update the software to patch known vulnerabilities.

Long-Term Security Practices

Implement proper input validation and sanitization techniques in software development.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Ensure timely installation of software updates provided by GPAC to address the CVE-2021-45291 vulnerability.