CentOS 8 : dovecot (CESA-2020:4763)

medium Nessus Plugin ID 145961

Synopsis

The remote CentOS host is missing one or more security updates.

Description

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4763 advisory.

- dovecot: command followed by sufficient number of newlines leads to use-after-free (CVE-2020-10958)

- dovecot: sending mail with empty quoted localpart leads to DoS (CVE-2020-10967)

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

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2020:4763

Plugin Details

Severity: Medium

ID: 145961

File Name: centos8_RHSA-2020-4763.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/1/2021

Updated: 3/23/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2020-10967

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:dovecot-pgsql, p-cpe:/a:centos:centos:dovecot, p-cpe:/a:centos:centos:dovecot-mysql, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:dovecot-devel, p-cpe:/a:centos:centos:dovecot-pigeonhole

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/4/2020

Vulnerability Publication Date: 5/18/2020

Reference Information

CVE: CVE-2020-10958, CVE-2020-10967

RHSA: 2020:4763