RHEL 6 : dovecot (RHSA-2019:2885)

critical Nessus Plugin ID 129276

Synopsis

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

Description

An update for dovecot is now available for Red Hat Enterprise Linux 6.

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.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2019:2885

https://access.redhat.com/security/cve/cve-2019-11500

Plugin Details

Severity: Critical

ID: 129276

File Name: redhat-RHSA-2019-2885.nasl

Version: 1.5

Type: local

Agent: unix

Published: 9/24/2019

Updated: 4/23/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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:redhat:enterprise_linux:dovecot-debuginfo, p-cpe:/a:redhat:enterprise_linux:dovecot-pgsql, cpe:/o:redhat:enterprise_linux:6, 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: 9/23/2019

Vulnerability Publication Date: 8/29/2019

Reference Information

CVE: CVE-2019-11500

RHSA: 2019:2885