6.8
CVSSv3

CVE-2019-3814

Published: 27/03/2019 Updated: 07/11/2023
CVSS v2 Base Score: 4.9 | Impact Score: 4.9 | Exploitability Score: 6.8
CVSS v3 Base Score: 6.8 | Impact Score: 5.2 | Exploitability Score: 1.6
VMScore: 436
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:N

Vulnerability Summary

It exists that Dovecot prior to 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 Trend

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dovecot dovecot

canonical ubuntu linux 16.04

canonical ubuntu linux 14.04

canonical ubuntu linux 12.04

canonical ubuntu linux 18.04

canonical ubuntu linux 18.10

opensuse leap 42.3

Vendor Advisories

Synopsis Moderate: dovecot security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for dovecot is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) ba ...
Synopsis Moderate: dovecot security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for dovecot is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) ba ...
Dovecot could be made to expose sensitive information over the network ...
Dovecot could be made to expose sensitive information over the network ...
In Dovecot before 22363 and 23x before 2351, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root This occurs because of missing checks in the fts and pop3-uidl components (CVE-2019-7524) It was discovered that Dovecot before versions 22361 and 2341 incorrectly handled clie ...
In Dovecot before 22363 and 23x before 2351, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root This occurs because of missing checks in the fts and pop3-uidl components (CVE-2019-7524) It was discovered that Dovecot before versions 22361 and 2341 incorrectly handled clie ...
A vulnerability has been found in Dovecot versions prior to 2341, allowing a remote client in possession of a trusted SSL certificate to log in as any user, in some configurations This affects only installations using auth_ssl_require_client_cert = yes and auth_ssl_username_from_cert = yes, and the the attacker might have access to a trusted ce ...