Learn about CVE-2021-28300, a NULL Pointer Dereference flaw in GPAC v0.5.2 that allows remote attackers to execute arbitrary code or trigger a DoS attack via a malicious MP4 file. Find out how to mitigate this vulnerability.
A NULL Pointer Dereference vulnerability was discovered in the "MergeTrack()" function of the "isomedia/track.c" module in GPAC v0.5.2. This security flaw allows threat actors to execute arbitrary code or trigger a Denial-of-Service (DoS) attack through the upload of a malicious MP4 file.
Understanding CVE-2021-28300
This section delves into the details of CVE-2021-28300.
What is CVE-2021-28300?
CVE-2021-28300 is a NULL Pointer Dereference vulnerability in the GPAC v0.5.2 software that permits attackers to launch code execution or DoS attacks by leveraging a crafted MP4 file.
The Impact of CVE-2021-28300
The impact of this vulnerability includes the potential for threat actors to compromise the integrity and availability of systems running the affected GPAC version.
Technical Details of CVE-2021-28300
This section highlights the technical aspects of CVE-2021-28300.
Vulnerability Description
A NULL Pointer Dereference occurs in the "MergeTrack()" function of the "isomedia/track.c" module within GPAC v0.5.2, enabling the exploitation of systems via a maliciously crafted MP4 file.
Affected Systems and Versions
GPAC v0.5.2 is confirmed to be impacted by this vulnerability, potentially affecting systems that utilize this version of the software.
Exploitation Mechanism
Threat actors can exploit CVE-2021-28300 by uploading a specifically manipulated MP4 file, which triggers the vulnerability in the "MergeTrack()" function of the GPAC software.
Mitigation and Prevention
In this section, we explore strategies to mitigate the risks associated with CVE-2021-28300.
Immediate Steps to Take
Users are advised to apply security patches provided by GPAC promptly to address the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security assessments, and staying informed about software vulnerabilities are crucial for maintaining long-term security.
Patching and Updates
Regularly updating GPAC to the latest version with patches and fixes from the vendor can help mitigate the risks associated with CVE-2021-28300.