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CVE-2019-3814

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Date: March 27, 2019

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.

Language: C

Severity Score

Related Resources (15)

https://access.redhat.com/errata/RHSA-2019:3467
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
https://security.gentoo.org/glsa/201904-19
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
https://security-tracker.debian.org/tracker/CVE-2019-3814
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
https://access.redhat.com/security/cve/CVE-2019-3814
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-3814
https://security.alpinelinux.org/vuln/CVE-2019-3814
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html
https://nvd.nist.gov/vuln/detail/CVE-2019-3814
https://www.dovecot.org/list/dovecot/2019-February/114575.html
https://www.mend.io/vulnerability-database/CVE-2019-3814

Severity Score

Weakness Type (CWE)

Improper Certificate Validation

CWE-295

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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