CVE-2021-46234 : Exploit Details and Defense Strategies
Learn about the CVE-2021-46234 vulnerability in GPAC v1.1.0, potentially leading to a Denial of Service (DoS) attack. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A NULL pointer dereference vulnerability in GPAC v1.1.0 can lead to a Denial of Service (DoS).
Understanding CVE-2021-46234
A vulnerability in a specific function within GPAC v1.1.0 could result in a DoS attack.
What is CVE-2021-46234?
The vulnerability lies in the function gf_node_unregister() in GPAC v1.1.0 and can trigger a NULL pointer dereference, potentially causing a DoS incident.
The Impact of CVE-2021-46234
The vulnerability allows attackers to exploit the function, leading to a DoS condition, disrupting the availability of the system.
Technical Details of CVE-2021-46234
Details about the technical aspects of the vulnerability.
Vulnerability Description
A NULL pointer dereference flaw specifically found in GPAC v1.1.0 through the function gf_node_unregister() at scenegraph/base_scenegraph.c.
Affected Systems and Versions
- Affected Systems: N/A
- Affected Versions: N/A
Exploitation Mechanism
The vulnerability can be exploited by crafting a specific input and triggering the vulnerable function, resulting in a DoS attack.
Mitigation and Prevention
Ways to address and prevent the CVE-2021-46234 vulnerability.
Immediate Steps to Take
- Patch or update GPAC to a non-vulnerable version.
- Implement proper input validation to mitigate NULL pointer dereference issues.
Long-Term Security Practices
- Regularly monitor and update software to prevent vulnerabilities.
- Conduct security assessments and penetration testing to identify and fix potential weaknesses.
Patching and Updates
Ensure timely patches and updates are applied to the software to eliminate the vulnerability.