CVE-2021-44490 : What You Need to Know
Discover the impact of CVE-2021-44490 in YottaDB, allowing attackers to trigger a segmentation fault and crash the application. Learn mitigation steps and the affected versions.
An issue in YottaDB allows attackers to cause a segmentation fault and crash the application due to a calculation vulnerability.
Understanding CVE-2021-44490
What is CVE-2021-44490?
YottaDB through r1.32 and V7.0-000 is susceptible to an issue where crafted input can lead to a calculation resulting in a large value that triggers a segmentation fault.
The Impact of CVE-2021-44490
The vulnerability can be exploited to crash the application, potentially leading to denial of service.
Technical Details of CVE-2021-44490
Vulnerability Description
Attackers can manipulate input to cause a calculation error in the memset function, leading to a segmentation fault in op_fnj3.
Affected Systems and Versions
- Products: Not applicable
- Versions: YottaDB through r1.32 and V7.0-000
Exploitation Mechanism
Crafted input leads to erroneous calculation, resulting in an extremely large value causing a segmentation fault.
Mitigation and Prevention
Immediate Steps to Take
- Implement input validation mechanisms to prevent crafted inputs
- Apply vendor patches or updates promptly
Long-Term Security Practices
- Conduct regular security audits and code reviews
- Educate developers on secure coding practices
Patching and Updates
Apply updates provided by YottaDB to address the calculation vulnerability.