Vulnerability · Published Aug 2, 2022 · Assigned by twcert

CVE-2022-35222HiCOS Citizen verification component - Stack Buffer Overflow

Medium 6.8

In plain English

A medium-severity out-of-bounds write in HiCOS Citizen verification component - Stack Buffer Overflow from HINET. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.4%top 67.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
HINET HiCOS Citizen verification component - Stack Buffer Overflow libHicos_p11v1.so CHT PKCS#11 3.0.3.30306
HINET HiCOS Citizen verification component - Stack Buffer Overflow HiCOSPKCS11.dll CHT PKCS#11 3.1.0.00002
HINET HiCOS Citizen verification component - Stack Buffer Overflow libHicos_p11v1.dylib CHT PKCS#11 3.0.3.30404

Weakness: CWE-787 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References