CVE-2021-36414 : Exploit Details and Defense Strategies
Discover the heap-based buffer overflow vulnerability in MP4Box within GPAC 1.0.1, allowing attackers to execute arbitrary code. Learn the impact, technical details, mitigation, and prevention steps.
A heap-based buffer overflow vulnerability exists in MP4Box in GPAC 1.0.1 via media.c, allowing attackers to cause denial of service or execute arbitrary code through a crafted file.
Understanding CVE-2021-36414
This section provides insights into the nature and impact of CVE-2021-36414.
What is CVE-2021-36414?
CVE-2021-36414 is a heap-based buffer overflow vulnerability in MP4Box in GPAC 1.0.1 that enables attackers to trigger denial of service attacks or execute arbitrary code by using a specially crafted file.
The Impact of CVE-2021-36414
The impact of CVE-2021-36414 includes the potential for attackers to disrupt services or gain unauthorized control over the affected system, posing a significant risk to system integrity and confidentiality.
Technical Details of CVE-2021-36414
This section outlines the specific technical details of the vulnerability.
Vulnerability Description
The vulnerability is a heap-based buffer overflow in MP4Box in GPAC 1.0.1 via the media.c file, which can be exploited to cause a denial of service condition or execute arbitrary code.
Affected Systems and Versions
The affected vendor, product, and versions are marked as 'n/a' indicating that all versions of GPAC 1.0.1 are susceptible to this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a specially crafted file to the vulnerable MP4Box application, triggering the heap-based buffer overflow and potentially gaining malicious control.
Mitigation and Prevention
This section provides guidance on how to mitigate and prevent exploitation of CVE-2021-36414.
Immediate Steps to Take
It is recommended to update the GPAC software to a patched version provided by the vendor and to avoid opening untrusted media files to prevent exploitation.
Long-Term Security Practices
Implementing robust cybersecurity measures, such as regular software updates, network segmentation, and least privilege access, can help enhance overall security posture.
Patching and Updates
Stay informed about security advisories and patches released by the vendor to address vulnerabilities like CVE-2021-36414 and ensure timely application of updates for enhanced protection.