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SUSE SLED15 / SLES15 Security Update : openssh (SUSE-SU-2019:0126-1)

medium Nessus Plugin ID 121296

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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 issues 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 Linux Enterprise Module for Server Applications 15:zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2019-126=1

SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-126=1

SUSE Linux Enterprise Module for Desktop Applications 15:zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2019-126=1

SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-126=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?8e5cb3b1

Plugin Details

Severity: Medium

ID: 121296

File Name: suse_SU-2019-0126-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 1/22/2019

Updated: 5/24/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.1

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-helpers, p-cpe:/a:novell:suse_linux:openssh-debugsource, p-cpe:/a:novell:suse_linux:openssh-debuginfo, p-cpe:/a:novell:suse_linux:openssh-askpass-gnome-debuginfo, p-cpe:/a:novell:suse_linux:openssh, p-cpe:/a:novell:suse_linux:openssh-fips, p-cpe:/a:novell:suse_linux:openssh-cavs, p-cpe:/a:novell:suse_linux:openssh-helpers-debuginfo, p-cpe:/a:novell:suse_linux:openssh-askpass-gnome, p-cpe:/a:novell:suse_linux:openssh-cavs-debuginfo, cpe:/o:novell:suse_linux:15

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: 1/18/2019

Vulnerability Publication Date: 1/10/2019

Reference Information

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