Arbitrary Subject Sub-Certificates Vulnerability in pfSense PKI Implementation

CVE-2011-4197 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key.

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