LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.
Published 2017-04-27 17:59:00
Updated 2019-10-03 00:03:26
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2017-8301

Exploit prediction scoring system (EPSS) score for CVE-2017-8301

0.24%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-8301

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.6
LOW AV:N/AC:H/Au:N/C:N/I:P/A:N
4.9
2.9
NIST
5.3
MEDIUM CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
1.6
3.6
NIST

CWE ids for CVE-2017-8301

References for CVE-2017-8301

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