Buffer overflow in Hinet Hicos Citizen Verification Component - Stack Buffer Overflow
CVE-2022-35222
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Hinet Hicos Citizen Verification Component - Stack Buffer Overflow — versions libHicos_p11v1.so CHT PKCS#11 3.0.3.30306, HiCOSPKCS11.dll CHT PKCS#11 3.1.0.00002, libHicos_p11v1.dylib CHT PKCS#11 3.0.3.30404
- Hinet Hicos Natural Person Credential Component Client — versions 3.0.3.30306, 3.0.3.30404, 3.1.0.00002
Weakness classification (CWE)
References
- www.twcert.org.tw/tw/cp-132-6363-f5ec2-1.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-35222?
- CVE-2022-35222 is a medium-severity vulnerability in Hinet Hicos Citizen Verification Component - Stack Buffer Overflow, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2022-08-02.
- How severe is CVE-2022-35222?
- Medium severity. CVSS v3 base score is 6.8 out of 10.