SUSE SLES15 Security Update : dovecot23 (SUSE-SU-2020:1379-1)

high Nessus Plugin ID 137535

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Synopsis

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

Description

This update for dovecot23 fixes the following issues :

Security issues fixed :

CVE-2020-10957: Fixed a crash caused by malformed NOOP commands (bsc#1171457).

CVE-2020-10958: Fixed a use-after-free when receiving too many newlines (bsc#1171458).

CVE-2020-10967: Fixed a crash in the lmtp and submission components caused by mails with empty quoted localparts (bsc#1171456).

Non-security issues fixed :

The update to 2.3.10 fixes several bugs. Please refer to https://dovecot.org/doc/NEWS for a complete list of changes.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server for SAP 15 :

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-1379=1

SUSE Linux Enterprise Server 15-LTSS :

zypper in -t patch SUSE-SLE-Product-SLES-15-2020-1379=1

SUSE Linux Enterprise High Performance Computing 15-LTSS :

zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1379=1

SUSE Linux Enterprise High Performance Computing 15-ESPOS :

zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1379=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1171456

https://bugzilla.suse.com/show_bug.cgi?id=1171457

https://bugzilla.suse.com/show_bug.cgi?id=1171458

https://dovecot.org/doc/NEWS

https://www.suse.com/security/cve/CVE-2020-10957/

https://www.suse.com/security/cve/CVE-2020-10958/

https://www.suse.com/security/cve/CVE-2020-10967/

http://www.nessus.org/u?66b9f457

Plugin Details

Severity: High

ID: 137535

File Name: suse_SU-2020-1379-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 6/17/2020

Updated: 5/13/2022

Supported Sensors: Agentless Assessment, Continuous 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-2020-10967

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

CVSS Score Source: CVE-2020-10957

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:dovecot23-backend-sqlite-debuginfo, p-cpe:/a:novell:suse_linux:dovecot23-backend-pgsql, p-cpe:/a:novell:suse_linux:dovecot23-fts-solr-debuginfo, p-cpe:/a:novell:suse_linux:dovecot23-fts-squat, p-cpe:/a:novell:suse_linux:dovecot23-fts-solr, p-cpe:/a:novell:suse_linux:dovecot23-fts-lucene-debuginfo, p-cpe:/a:novell:suse_linux:dovecot23-backend-mysql-debuginfo, p-cpe:/a:novell:suse_linux:dovecot23-debuginfo, p-cpe:/a:novell:suse_linux:dovecot23-debugsource, p-cpe:/a:novell:suse_linux:dovecot23-devel, p-cpe:/a:novell:suse_linux:dovecot23-backend-pgsql-debuginfo, p-cpe:/a:novell:suse_linux:dovecot23-fts-lucene, p-cpe:/a:novell:suse_linux:dovecot23-fts-debuginfo, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:dovecot23-backend-mysql, p-cpe:/a:novell:suse_linux:dovecot23, p-cpe:/a:novell:suse_linux:dovecot23-fts, p-cpe:/a:novell:suse_linux:dovecot23-fts-squat-debuginfo, p-cpe:/a:novell:suse_linux:dovecot23-backend-sqlite

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/22/2020

Vulnerability Publication Date: 5/18/2020

Reference Information

CVE: CVE-2020-10957, CVE-2020-10958, CVE-2020-10967