title: NHI’s health insurance web service component – Heap-based Buffer Overflow
description: 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.
problem types: CWE-122 Heap-based Buffer Overflow
affected:
{
platforms: Windows
product: health insurance web service component
vendor: NHI
versions:
status: affected, version: 515BE7DE5BCE446177FEE8A6E0665093
}
{
platforms: Mac
product: health insurance web service component
vendor: NHI
versions:
status: affected, version: 42fcc36541e716e23de77d5f325b186a
}
{
platforms: Linux(Ubuntu)
product: health insurance web service component
vendor: NHI
versions:
status: affected, version: 52EACB7CA2B4D0A5A869DF01079BF4D6
}
{
platforms: Linux(Fedora)
product: health insurance web service component
vendor: NHI
versions:
status: affected, version: 52EACB7CA2B4D0A5A869DF01079BF4D6
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
solutions: Download last version