What’s Vulnerable › Vulnerabilities

CVE-2022-32961: 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 token information. 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-132-6292-fb267-1.html
• https://www.twcert.org.tw/tw/cp-132-6292-fb267-1.html

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