CVE-2022-32960: HiCOS’ client-side citizen digital certificate - Stack Buffer Overflow

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-07-20 · updated 2026-06-17
Weakness: CWE-787

Description

HiCOS’ client-side citizen digital certificate component has a stack-based buffer overflow vulnerability when reading IC card due to insufficient parameter length validation for card number. An unauthenticated physical attacker can exploit this vulnerability to execute arbitrary code, manipulate system data or terminate service.

Affected products

HINET HiCOS’ client-side citizen digital certificate: 3.0.3.30306, 3.0.3.30404, 3.1.0.00002

References

https://www.twcert.org.tw/tw/cp-132-6291-f58b5-1.html
https://www.twcert.org.tw/tw/cp-132-6291-f58b5-1.html

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