CVE-2021-33363 : Security Advisory and Response
Discover the impact of CVE-2021-33363, a memory leak vulnerability in MP4Box in GPAC 1.0.1, allowing attackers to read memory via a crafted file. Learn about mitigation and prevention strategies.
A memory leak in the infe_box_read function in MP4Box in GPAC 1.0.1 allows attackers to read memory via a crafted file.
Understanding CVE-2021-33363
This CVE-2021-33363 vulnerability allows attackers to exploit a memory leak in MP4Box in GPAC 1.0.1, leading to unauthorized access to sensitive information.
What is CVE-2021-33363?
CVE-2021-33363 is a security vulnerability in MP4Box in GPAC 1.0.1 that enables attackers to read memory through a specially crafted file, potentially exposing critical data.
The Impact of CVE-2021-33363
The impact of this vulnerability is significant as it allows malicious actors to gain access to sensitive information by exploiting the memory leak in MP4Box in GPAC 1.0.1.
Technical Details of CVE-2021-33363
This section provides details about the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability stems from a memory leak in the infe_box_read function in MP4Box, which can be abused by attackers to read memory contents through a malicious file.
Affected Systems and Versions
The vulnerability affects GPAC version 1.0.1. All systems running this version are at risk of memory exposure through crafted files.
Exploitation Mechanism
Attackers can exploit this vulnerability by enticing a user to open a specially crafted MP4 file using MP4Box, triggering the memory leak and unauthorized memory access.
Mitigation and Prevention
To safeguard systems from CVE-2021-33363, immediate steps and long-term security practices need to be implemented.
Immediate Steps to Take
Users should refrain from opening untrusted MP4 files using MP4Box to mitigate the risk of memory leaks and unauthorized data access.
Long-Term Security Practices
Implementing strong file validation checks and regular security updates for MP4Box and GPAC can prevent memory leak exploits and enhance overall system security.
Patching and Updates
It is crucial for users to apply the latest patches and updates provided by GPAC to address the CVE-2021-33363 vulnerability and enhance system protection.