6.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
6.5 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:P/I:P/A:N
0.002 Low
EPSS
Percentile
62.1%
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.
CPE | Name | Operator | Version |
---|---|---|---|
ubuntu_linux | eq | 16.04 | |
ubuntu_linux | eq | 14.04 | |
ubuntu_linux | eq | 12.04 | |
ubuntu_linux | eq | 18.04 | |
ubuntu_linux | eq | 18.10 | |
dovecot | ge | 1.1.0 | |
dovecot | lt | 2.2.36.1 | |
dovecot | ge | 2.3.0 | |
dovecot | lt | 2.3.4.1 | |
leap | eq | 42.3 |
lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html
access.redhat.com/errata/RHSA-2019:3467
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814
lists.fedoraproject.org/archives/list/[email protected]/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
lists.fedoraproject.org/archives/list/[email protected]/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
security.gentoo.org/glsa/201904-19
www.dovecot.org/list/dovecot/2019-February/114575.html
6.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
6.5 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:P/I:P/A:N
0.002 Low
EPSS
Percentile
62.1%