RHEL 8 : dovecot (RHSA-2020:3736)

high Nessus Plugin ID 140582

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3736 advisory.

- dovecot: Resource exhaustion via deeply nested MIME parts (CVE-2020-12100)

- dovecot: Out of bound reads in dovecot NTLM implementation (CVE-2020-12673)

- dovecot: Crash due to assert in RPA implementation (CVE-2020-12674)

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 affected packages.

See Also

https://access.redhat.com/security/cve/CVE-2020-12100

https://access.redhat.com/security/cve/CVE-2020-12673

https://access.redhat.com/security/cve/CVE-2020-12674

https://access.redhat.com/errata/RHSA-2020:3736

https://bugzilla.redhat.com/1866309

https://bugzilla.redhat.com/1866313

https://bugzilla.redhat.com/1866317

Plugin Details

Severity: High

ID: 140582

File Name: redhat-RHSA-2020-3736.nasl

Version: 1.9

Type: local

Agent: unix

Published: 9/14/2020

Updated: 2/20/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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-2020-12674

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.1, cpe:/o:redhat:rhel_eus:8.1, p-cpe:/a:redhat:enterprise_linux:dovecot, p-cpe:/a:redhat:enterprise_linux:dovecot-devel, p-cpe:/a:redhat:enterprise_linux:dovecot-mysql, p-cpe:/a:redhat:enterprise_linux:dovecot-pgsql, p-cpe:/a:redhat:enterprise_linux:dovecot-pigeonhole

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: 9/14/2020

Vulnerability Publication Date: 8/12/2020

Reference Information

CVE: CVE-2020-12100, CVE-2020-12673, CVE-2020-12674

CWE: 125, 674

RHSA: 2020:3736