Vulnerability in Dovecot
CVE-2019-3814
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.
Vulnerability class: Improper Certificate Validation
EPSS: 0.024 (82.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Dovecot — versions 2.2.36.1, 2.3.4.1
- Canonical Ubuntu_linux — versions 12.04, 14.04, 16.04
- Opensuse Leap — versions 42.3
Weakness classification (CWE)
References
- secalert@redhat.com (Exploit, Mailing List, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Release Notes, Issue Tracking)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, x_refsource_GENTOO)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2019-3814?
- CVE-2019-3814 is a high-severity vulnerability in Dovecot, classified under Improper Certificate Validation. CVSS score: 7.7/10. Published 2019-03-27.
- How severe is CVE-2019-3814?
- High severity. CVSS v3 base score is 7.7 out of 10.