HiCOS’ client-side citizen certificate component has a double free vulnerability. An unauthenticated physical attacker can exploit this vulnerability to corrupt memory and execute arbitrary code, manipulate system data or terminate service.
Published 2022-07-20 02:15:08
Updated 2022-08-02 15:37:14
Source TWCERT/CC
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute code

Products affected by CVE-2022-32962

Exploit prediction scoring system (EPSS) score for CVE-2022-32962

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-32962

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.9
5.9
TWCERT/CC

CWE ids for CVE-2022-32962

  • The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
    Assigned by:
    • nvd@nist.gov (Primary)
    • twcert@cert.org.tw (Secondary)

References for CVE-2022-32962

  • https://www.twcert.org.tw/tw/cp-132-6293-86576-1.html
    TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報-HiCOS 自然人憑證元件客戶端 - Double Free
    Third Party Advisory
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