CVE-2021-44920 : What You Need to Know
Discover how CVE-2021-44920 exposes a critical vulnerability in gpac 1.1.0, leading to a segmentation fault and explore mitigation steps to secure affected systems.
An invalid memory address dereference vulnerability exists in gpac 1.1.0 in the dump_od_to_saf.isra function, leading to a segmentation fault and application crash.
Understanding CVE-2021-44920
This CVE involves a vulnerability in gpac 1.1.0 that can result in a critical application crash.
What is CVE-2021-44920?
The vulnerability in gpac 1.1.0 triggers a segmentation fault due to an invalid memory address dereference in the dump_od_to_saf.isra function.
The Impact of CVE-2021-44920
The vulnerability can lead to a security breach and denial of service as it causes the application to crash.
Technical Details of CVE-2021-44920
This section provides specific technical details of the CVE.
Vulnerability Description
The vulnerability exists in gpac 1.1.0 due to an invalid memory address dereference in the dump_od_to_saf.isra function, resulting in a segmentation fault.
Affected Systems and Versions
- Product: gpac
- Version: 1.1.0
Exploitation Mechanism
The vulnerability can be exploited by providing crafted input to trigger the invalid memory address dereference.
Mitigation and Prevention
Steps to address and prevent the CVE.
Immediate Steps to Take
- Apply vendor patches or updates if available
- Implement input validation to prevent malicious data injection
- Restrict network access to vulnerable systems
Long-Term Security Practices
- Regularly update software and dependencies
- Conduct security audits and code reviews
- Educate developers on secure coding practices
Patching and Updates
Ensure to apply patches or updates released by the vendor to mitigate the vulnerability.