CVE-2022-40617

Published Oct 31, 2022 CVSS 3.1 · 7.5 High EPSS 2.0% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3143-1 strongswan security update
Debian DSA Debian DSA DSA-5249-1 strongswan security update
EUVD EUVD EUVD-2022-43891 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.
Ubuntu USN Ubuntu USN USN-5651-1 strongSwan vulnerability
Ubuntu USN Ubuntu USN USN-5651-2 strongSwan vulnerability
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}