Insufficient Input Validation Leading to Heap-Based Buffer Overflow Vulnerability in NHI's Health Insurance Web Service

CVE-2021-45918 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NHI’s health insurance web service component has insufficient validation for input string length, which can result in heap-based buffer overflow attack. A remote attacker can exploit this vulnerability to flood the memory space reserved for the program, in order to terminate service without authentication, which requires a system restart to recover service.

Learn more about our Web App Pen Testing.