RHEL 8 : dovecot (RHSA-2020:3735)

Medium Nessus Plugin ID 140602

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-2020:3735 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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/125.html

https://cwe.mitre.org/data/definitions/674.html

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-2020:3735

https://bugzilla.redhat.com/1866309

https://bugzilla.redhat.com/1866313

https://bugzilla.redhat.com/1866317

Plugin Details

Severity: Medium

ID: 140602

File Name: redhat-RHSA-2020-3735.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/09/15

Updated: 2020/09/17

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2020-12674

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:redhat:rhel_e4s:8.0, cpe:/a:redhat:rhel_e4s:8.0::appstream, cpe:/o:redhat:enterprise_linux:8.0, p-cpe:/a:redhat:enterprise_linux:dovecot, p-cpe:/a:redhat:enterprise_linux:dovecot-debugsource, p-cpe:/a:redhat:enterprise_linux:dovecot-mysql, p-cpe:/a:redhat:enterprise_linux:dovecot-pgsql

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/09/14

Vulnerability Publication Date: 2020/08/12

Reference Information

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

RHSA: 2020:3735

CWE: 125, 674