CVE-2019-11499

2019-04-3000:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.006 Low

EPSS

Percentile

77.6%

JSON

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login
component crashes if AUTH PLAIN is attempted over a TLS secured channel
with an unacceptable authentication message.

Notes

Author	Note
mdeslaur	affects 2.3.0 - 2.3.5.2

OSVersionArchitecturePackageVersionFilename
ubuntu18.10noarchdovecot< 1:2.3.2.1-1ubuntu3.4UNKNOWN
ubuntu19.04noarchdovecot< 1:2.3.4.1-1ubuntu2.2UNKNOWN