CVE-2021-40572 : Vulnerability Insights and Analysis
Discover the details of CVE-2021-40572, a vulnerability in MP4Box in Gpac 1.0.1, allowing attackers to trigger a denial of service. Learn about impacts, mitigation steps, and prevention.
This CVE record involves a double-free bug in the binary MP4Box in Gpac 1.0.1, leading to a denial-of-service vulnerability.
Understanding CVE-2021-40572
This section provides an overview of the CVE-2021-40572 vulnerability.
What is CVE-2021-40572?
The binary MP4Box in Gpac 1.0.1 contains a double-free bug in the av1dmx_finalize function in reframe_av1.c. This flaw permits attackers to trigger a denial-of-service condition.
The Impact of CVE-2021-40572
The vulnerability can be exploited by malicious actors to cause a denial of service on the affected systems.
Technical Details of CVE-2021-40572
This section delves into the technical aspects of CVE-2021-40572.
Vulnerability Description
The double-free bug in the av1dmx_finalize function in reframe_av1.c of Gpac 1.0.1 allows for a denial-of-service attack.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Affected Versions: n/a
Exploitation Mechanism
The vulnerability can be exploited by attackers to cause a denial of service on systems running the vulnerable Gpac 1.0.1.
Mitigation and Prevention
Learn how to mitigate and prevent the CVE-2021-40572 vulnerability.
Immediate Steps to Take
- Apply patches or updates provided by the software vendor.
- Implement network firewall rules to restrict access.
Long-Term Security Practices
- Regularly update software and applications.
- Conduct security assessments and penetration testing.
Patching and Updates
Ensure that you regularly check for security updates and apply them promptly to mitigate the risk associated with CVE-2021-40572.