CVE-2021-45292 : Vulnerability Insights and Analysis

GPAC 1.0.1's gf_isom_hint_rtp_read function allows attackers to cause a denial of service via a crafted file in the MP4Box command.

Understanding CVE-2021-45292

What is CVE-2021-45292?

The vulnerability in GPAC 1.0.1 enables attackers to trigger a denial of service, leading to an invalid memory address dereference by exploiting the gf_isom_hint_rtp_read function through a specifically designed file in the MP4Box command.

The Impact of CVE-2021-45292

This vulnerability allows attackers to disrupt services and potentially crash systems by executing a specially crafted MP4Box command, posing a risk to system availability and performance.

Technical Details of CVE-2021-45292

Vulnerability Description

The flaw in the gf_isom_hint_rtp_read function within GPAC 1.0.1 results in a denial of service condition due to an invalid memory address dereference.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating a file within the MP4Box command to trigger an invalid memory address and cause a denial of service.

Mitigation and Prevention

Immediate Steps to Take

Update GPAC to the latest patched version.
Avoid opening or accessing untrusted MP4 files.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Conduct security training to educate users on identifying and avoiding malicious files.

Patching and Updates

Patch GPAC to the latest version that addresses the vulnerability to prevent potential exploitation.