CVE-2021-44922 : Vulnerability Insights and Analysis
Learn about CVE-2021-44922, a null pointer dereference vulnerability in gpac 1.1.0 that causes a segmentation fault and application crash. Find out about the impact, affected systems, exploitation mechanism, and mitigation steps.
A null pointer dereference vulnerability exists in gpac 1.1.0 in the BD_CheckSFTimeOffset function, leading to a segmentation fault and application crash.
Understanding CVE-2021-44922
This CVE describes a null pointer dereference vulnerability in the gpac 1.1.0 version.
What is CVE-2021-44922?
In gpac 1.1.0, a vulnerability in the BD_CheckSFTimeOffset function allows attackers to trigger a null pointer dereference, resulting in a segmentation fault and potential application crash.
The Impact of CVE-2021-44922
This vulnerability can be exploited by attackers to cause a denial of service (DoS) condition, leading to application crashes and potential service disruption.
Technical Details of CVE-2021-44922
This section provides detailed technical information about the CVE.
Vulnerability Description
A null pointer dereference vulnerability exists in gpac 1.1.0 in the BD_CheckSFTimeOffset function, leading to a segmentation fault and application crash.
Affected Systems and Versions
- Product: gpac
- Version: 1.1.0
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious inputs to trigger the null pointer dereference.
Mitigation and Prevention
Protecting systems from CVE-2021-44922 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor vendor communications for updates and mitigation strategies.
Long-Term Security Practices
- Conduct regular security assessments and audits.
- Implement secure coding practices to prevent similar vulnerabilities.
Patching and Updates
Ensure that the affected systems are updated with the latest patches to remediate the vulnerability.