FreeBSD : Dovecot -- Multiple vulnerabilities (3f98ccb3-6b8a-11e9-9b5c-a4badb296695)

high Nessus Plugin ID 124429

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

Aki Tuomi reports :

Submission-login crashes with signal 11 due to NULL pointer access when authentication is aborted by disconnecting. This can lead to denial-of-service attack by persistent attacker(s).

Aki Tuomi reports :

Submission-login crashes when authentication is started over TLS secured channel and invalid authentication message is sent. This can lead to denial-of-service attack by persistent attacker(s).

Solution

Update the affected package.

See Also

https://dovecot.org/list/dovecot-news/2019-April/000409.html

https://dovecot.org/list/dovecot-news/2019-April/000410.html

http://www.nessus.org/u?c3daab10

Plugin Details

Severity: High

ID: 124429

File Name: freebsd_pkg_3f98ccb36b8a11e99b5ca4badb296695.nasl

Version: 1.3

Type: local

Published: 5/1/2019

Updated: 1/21/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:dovecot, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 4/30/2019

Vulnerability Publication Date: 3/11/2019

Reference Information

CVE: CVE-2019-11494, CVE-2019-11499