Vulnerability Details : CVE-2019-3814
Potential 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.
Products affected by CVE-2019-3814
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
Threat overview for CVE-2019-3814
Top countries where our scanners detected CVE-2019-3814
Top open port discovered on systems with this issue
80
IPs affected by CVE-2019-3814 1,383
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2019-3814!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2019-3814
0.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-3814
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.9
|
MEDIUM | AV:N/AC:M/Au:S/C:P/I:P/A:N |
6.8
|
4.9
|
NIST | |
6.8
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |
1.6
|
5.2
|
NIST | |
7.7
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N |
1.3
|
5.8
|
Red Hat, Inc. |
CWE ids for CVE-2019-3814
-
The product does not validate, or incorrectly validates, a certificate.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2019-3814
-
https://security.gentoo.org/glsa/201904-19
Dovecot: Multiple vulnerabilities (GLSA 201904-19) — Gentoo security
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
[SECURITY] Fedora 29 Update: dovecot-2.3.6-3.fc29 - package-announce - Fedora Mailing-Lists
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814
1673415 – (CVE-2019-3814) CVE-2019-3814 dovecot: Improper certificate validationIssue Tracking;Release Notes;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
[SECURITY] Fedora 30 Update: dovecot-2.3.6-3.fc30 - package-announce - Fedora Mailing-Lists
-
https://www.dovecot.org/list/dovecot/2019-February/114575.html
CVE-2019-3814: Suitable client certificate can be used to login as other userExploit;Mailing List;Vendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html
[security-announce] openSUSE-SU-2019:1220-1: important: Security updateMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:3467
RHSA-2019:3467 - Security Advisory - Red Hat Customer Portal
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