SUSE SLED12 / SLES12 Security Update : openssh (SUSE-SU-2019:0132-1)

medium Nessus Plugin ID 121300

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Synopsis

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

Description

This update for openssh fixes the following issues :

Security issue fixed :

CVE-2018-20685: Fixed an issue where scp client allows remote SSH servers to bypass intended access restrictions (bsc#1121571)

CVE-2019-6109: Fixed an issue where the scp client would allow malicious remote SSH servers to manipulate terminal output via the object name, e.g. by inserting ANSI escape sequences (bsc#1121816)

CVE-2019-6110: Fixed an issue where the scp client would allow malicious remote SSH servers to manipulate stderr output, e.g. by inserting ANSI escape sequences (bsc#1121818)

CVE-2019-6111: Fixed an issue where the scp client would allow malicious remote SSH servers to execute directory traversal attacks and overwrite files (bsc#1121821)

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 OpenStack Cloud 7:zypper in -t patch SUSE-OpenStack-Cloud-7-2019-132=1

SUSE Linux Enterprise Server for SAP 12-SP2:zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-132=1

SUSE Linux Enterprise Server 12-SP4:zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-132=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-132=1

SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-132=1

SUSE Linux Enterprise Server 12-SP2-BCL:zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2019-132=1

SUSE Linux Enterprise Desktop 12-SP4:zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2019-132=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2019-132=1

SUSE Enterprise Storage 4:zypper in -t patch SUSE-Storage-4-2019-132=1

SUSE CaaS Platform ALL :

To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

SUSE CaaS Platform 3.0 :

To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

OpenStack Cloud Magnum Orchestration 7:zypper in -t patch SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2019-132=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1121571

https://bugzilla.suse.com/show_bug.cgi?id=1121816

https://bugzilla.suse.com/show_bug.cgi?id=1121818

https://bugzilla.suse.com/show_bug.cgi?id=1121821

https://www.suse.com/security/cve/CVE-2018-20685/

https://www.suse.com/security/cve/CVE-2019-6109/

https://www.suse.com/security/cve/CVE-2019-6110/

https://www.suse.com/security/cve/CVE-2019-6111/

http://www.nessus.org/u?2f3bb078

Plugin Details

Severity: Medium

ID: 121300

File Name: suse_SU-2019-0132-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 1/22/2019

Updated: 5/24/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.5

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

CVSS Score Source: CVE-2019-6111

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.1

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

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

CVSS Score Source: CVE-2019-6110

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:openssh, p-cpe:/a:novell:suse_linux:openssh-askpass-gnome, p-cpe:/a:novell:suse_linux:openssh-askpass-gnome-debuginfo, p-cpe:/a:novell:suse_linux:openssh-debuginfo, p-cpe:/a:novell:suse_linux:openssh-debugsource, p-cpe:/a:novell:suse_linux:openssh-fips, p-cpe:/a:novell:suse_linux:openssh-helpers, p-cpe:/a:novell:suse_linux:openssh-helpers-debuginfo, cpe:/o:novell:suse_linux:12

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: 1/21/2019

Vulnerability Publication Date: 1/10/2019

Reference Information

CVE: CVE-2018-20685, CVE-2019-6109, CVE-2019-6110, CVE-2019-6111