Dovecot Client Certificate Impersonation Vulnerability

CVE-2019-3814 · MEDIUM Severity

AV:N/AC:M/AU:S/C:P/I:P/A:N

It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.

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