FreeBSD : dovecot -- json encoder crash (a64aa22f-61ec-11e9-85b9-a4badb296695)

Medium Nessus Plugin ID 124183

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

Aki Tuomi reports :

* CVE-2019-10691: Trying to login with 8bit username containing invalid UTF8 input causes auth process to crash if auth policy is enabled. This could be used rather easily to cause a DoS. Similar crash also happens during mail delivery when using invalid UTF8 in From or Subject header when OX push notification driver is used.

Solution

Update the affected packages.

See Also

https://dovecot.org/pipermail/dovecot-news/2019-April/000407.html

http://www.nessus.org/u?0f7582c2

Plugin Details

Severity: Medium

ID: 124183

File Name: freebsd_pkg_a64aa22f61ec11e985b9a4badb296695.nasl

Version: 1.4

Type: local

Published: 2019/04/19

Updated: 2020/01/23

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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, p-cpe:/a:freebsd:freebsd:dovecot2, 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: 2019/04/18

Vulnerability Publication Date: 2019/04/09

Reference Information

CVE: CVE-2019-10691