RHEL 7 : dovecot (RHSA-2020:1062)

high Nessus Plugin ID 135038

Synopsis

The remote Red Hat host is missing one or more security updates for dovecot.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1062 advisory.

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind.
It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages.

Security Fix(es):

* dovecot: Improper certificate validation (CVE-2019-3814)

* dovecot: Buffer overflow in indexer-worker process results in privilege escalation (CVE-2019-7524)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL dovecot package based on the guidance in RHSA-2020:1062.

See Also

http://www.nessus.org/u?8caafa90

http://www.nessus.org/u?afba0e17

https://access.redhat.com/security/updates/classification/#moderate

https://access.redhat.com/errata/RHSA-2020:1062

https://bugzilla.redhat.com/show_bug.cgi?id=1570283

https://bugzilla.redhat.com/show_bug.cgi?id=1673415

https://bugzilla.redhat.com/show_bug.cgi?id=1696152

Plugin Details

Severity: High

ID: 135038

File Name: redhat-RHSA-2020-1062.nasl

Version: 1.12

Type: local

Agent: unix

Published: 3/31/2020

Updated: 11/7/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2019-7524

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:dovecot-pgsql, p-cpe:/a:redhat:enterprise_linux:dovecot-mysql, p-cpe:/a:redhat:enterprise_linux:dovecot-pigeonhole, p-cpe:/a:redhat:enterprise_linux:dovecot, p-cpe:/a:redhat:enterprise_linux:dovecot-devel

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/31/2020

Vulnerability Publication Date: 3/27/2019

Reference Information

CVE: CVE-2019-3814, CVE-2019-7524

BID: 107672

CWE: 284, 295

RHSA: 2020:1062