6.8

CVE-2019-3814

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Dovecot ≫ Dovecot Version >= 1.1.0 < 2.2.36.1
Dovecot ≫ Dovecot Version >= 2.3.0 < 2.3.4.1
Canonical ≫ Ubuntu Linux Version 12.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 18.10
Opensuse ≫ Leap Version 42.3
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.42% 0.823
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.8 1.6 5.2
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
NIST 4.9 6.8 4.9
AV:N/AC:M/Au:S/C:P/I:P/A:N
RedHat 7.7 1.3 5.8
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
CWE-295 Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html
Third Party Advisory
Mailing List
https://access.redhat.com/errata/RHSA-2019:3467
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814
Third Party Advisory
Release Notes
Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
https://security.gentoo.org/glsa/201904-19
https://www.dovecot.org/list/dovecot/2019-February/114575.html
Vendor Advisory
Exploit
Mailing List