strongSwan before 5.9.8 allows remote attackers to cause a denial of service in the revocation plugin by sending a crafted end-entity (and intermediate CA) certificate that contains a CRL/OCSP URL that points to a server (under the attacker's control) that doesn't properly respond but (for example) just does nothing after the initial TCP handshake, or sends an excessive amount of application data.
Published 2022-10-31 06:15:10
Updated 2023-07-19 00:57:44
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2022-40617

Exploit prediction scoring system (EPSS) score for CVE-2022-40617

0.24%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-40617

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
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
NIST

CWE ids for CVE-2022-40617

References for CVE-2022-40617

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