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Virtuozzo 7 : dovecot / dovecot-devel / dovecot-mysql / etc (VZLSA-2019-2836)

critical Nessus Plugin ID 129846

Synopsis

The remote Virtuozzo host is missing a security update.

Description

An update for dovecot is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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 NULL byte handling in IMAP and ManageSieve protocol parsers leads to out of bounds writes (CVE-2019-11500)

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.

Note that Tenable Network Security has attempted to extract the preceding description block directly from the corresponding Red Hat security advisory. Virtuozzo provides no description for VZLSA advisories. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected dovecot / dovecot-devel / dovecot-mysql / etc package.

See Also

http://www.nessus.org/u?1b0734da

https://access.redhat.com/errata/RHSA-2019:2836

Plugin Details

Severity: Critical

ID: 129846

File Name: Virtuozzo_VZLSA-2019-2836.nasl

Version: 1.4

Type: local

Published: 10/14/2019

Updated: 4/18/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2019-11500

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/26/2019

Reference Information

CVE: CVE-2019-11500