title: HiCOS Citizen verification component - Stack Buffer Overflow
description: HiCOS Citizen verification component has a stack-based buffer overflow vulnerability due to insufficient parameter length validation. An unauthenticated physical attacker can exploit this vulnerability to execute arbitrary code, manipulate system command or disrupt service.
problem types: CWE-787 Out-of-bounds Write
affected:
{
platforms: Linux
product: HiCOS Citizen verification component - Stack Buffer Overflow
vendor: HINET
versions:
status: affected, version: libHicos_p11v1.so CHT PKCS#11 3.0.3.30306
}
{
platforms: Windows
product: HiCOS Citizen verification component - Stack Buffer Overflow
vendor: HINET
versions:
status: affected, version: HiCOSPKCS11.dll CHT PKCS#11 3.1.0.00002
}
{
platforms: macOS
product: HiCOS Citizen verification component - Stack Buffer Overflow
vendor: HINET
versions:
status: affected, version: libHicos_p11v1.dylib CHT PKCS#11 3.0.3.30404
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: PHYSICAL
availabilityImpact: HIGH
baseScore: 6.8
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
solutions: Download the latest version