CVE-2021-44918 : Security Advisory and Response
Learn about CVE-2021-44918, a critical Null Pointer Dereference vulnerability in gpac 1.1.0 that could allow attackers to crash applications or execute arbitrary code. Find out how to mitigate and prevent such vulnerabilities.
A Null Pointer Dereference vulnerability in gpac 1.1.0 can lead to a segmentation fault and application crash.
Understanding CVE-2021-44918
This CVE describes a critical vulnerability in the gf_node_get_field function of gpac 1.1.0.
What is CVE-2021-44918?
The CVE-2021-44918 is a Null Pointer Dereference vulnerability that can trigger a segmentation fault causing the application to crash.
The Impact of CVE-2021-44918
This vulnerability may allow an attacker to execute arbitrary code or cause a denial of service by crashing the application.
Technical Details of CVE-2021-44918
This section provides in-depth technical details of the CVE.
Vulnerability Description
The vulnerability exists in gpac 1.1.0 in the gf_node_get_field function, leading to a Null Pointer Dereference issue.
Affected Systems and Versions
- Affected Version: gpac 1.1.0
Exploitation Mechanism
The vulnerability can be exploited by sending specially crafted input to the affected function, causing it to dereference a null pointer.
Mitigation and Prevention
Steps to mitigate the risks associated with CVE-2021-44918.
Immediate Steps to Take
- Patch or update the affected software to the latest version available.
- Monitor vendor communications for related security advisories.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Implement code reviews and secure coding practices to prevent similar vulnerabilities.
Patching and Updates
Ensure that all systems running gpac 1.1.0 are updated to a patched version to address this vulnerability.