NetSight
high7.5

CVE-2022-40617

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) cer…

Impact

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.

Affected products

VendorProductAffected versions
StrongswanStrongswan
before 5.9.8
CanonicalUbuntu Linux
Versions 14.04, 16.04, 18.04, 20.04, 22.04
DebianDebian Linux
Versions 10.0, 11.0
FedoraprojectFedora
Version 37
StormshieldStormshield Network Security
from 3.11.1 before 3.11.20
from 4.3.1 before 4.3.15
from 4.5.1 before 4.6.0

Weakness classification

References