CVE-2021-46171 Explained : Impact and Mitigation
Discover the impact of CVE-2021-46171 on Modex v2.11. Learn about the NULL pointer dereference vulnerability, affected systems, exploitation, and mitigation steps.
Modex v2.11 was discovered to contain a NULL pointer dereference in set_create_id() at xtract.c.
Understanding CVE-2021-46171
What is CVE-2021-46171?
CVE-2021-46171 highlights a vulnerability in Modex v2.11 that leads to a NULL pointer dereference in the set_create_id() function within xtract.c.
The Impact of CVE-2021-46171
The vulnerability allows attackers to crash the application, potentially resulting in a denial of service (DoS) condition or other malicious outcomes.
Technical Details of CVE-2021-46171
Vulnerability Description
The NULL pointer dereference occurs in set_create_id() function of xtract.c in Modex v2.11, enabling attackers to exploit this issue.
Affected Systems and Versions
- Affected Version: Modex v2.11
Exploitation Mechanism
- Attackers can craft malicious inputs to trigger the NULL pointer dereference, leading to application crashes.
Mitigation and Prevention
Immediate Steps to Take
- Consider limiting access to vulnerable components
- Monitor and analyze incoming traffic for suspicious patterns
Long-Term Security Practices
- Implement secure coding practices to prevent NULL pointer dereference vulnerabilities
Patching and Updates
- Apply patches or updates provided by the software vendor to address the vulnerability.