Vulnerability Details : CVE-2023-0216

An invalid pointer dereference on read can be triggered when an application tries to load malformed PKCS7 data with the d2i_PKCS7(), d2i_PKCS7_bio() or d2i_PKCS7_fp() functions. The result of the dereference is an application crash which could lead to a denial of service attack. The TLS implementation in OpenSSL does not call this function however third party applications might call these functions on untrusted data.
Vulnerability category: Denial of service
Published 2023-02-08 20:15:24
Updated 2023-07-19 00:54:46
Source OpenSSL Software Foundation
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-0216

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 20 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2023-0216

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 nvd@nist.gov

CWE ids for CVE-2023-0216

  • A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-0216

Products affected by CVE-2023-0216

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