SUSE SLED12 / SLES12 Security Update : bash (SUSE-SU-2018:1398-1)

high Nessus Plugin ID 110092

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Synopsis

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

Description

This update for bash fixes the following issues: Security issues fixed :

- CVE-2016-7543: A code execution possibility via SHELLOPTS+PS4 variable was fixed (bsc#1001299)

- CVE-2016-0634: Arbitrary code execution via malicious hostname was fixed (bsc#1000396) Non-security issues fixed :

- Fix repeating self-calling of traps due the combination of a non-interactive shell, a trap handler for SIGINT, an external process in the trap handler, and a SIGINT within the trap after the external process runs.
(bsc#1086247)

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-7-2018-977=1

SUSE Linux Enterprise Workstation Extension 12-SP3:zypper in -t patch SUSE-SLE-WE-12-SP3-2018-977=1

SUSE Linux Enterprise Software Development Kit 12-SP3:zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-977=1

SUSE Linux Enterprise Server for SAP 12-SP2:zypper in -t patch SUSE-SLE-SAP-12-SP2-2018-977=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-977=1

SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-977=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-977=1

SUSE Enterprise Storage 4:zypper in -t patch SUSE-Storage-4-2018-977=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.

OpenStack Cloud Magnum Orchestration 7:zypper in -t patch SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2018-977=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1000396

https://bugzilla.suse.com/show_bug.cgi?id=1001299

https://bugzilla.suse.com/show_bug.cgi?id=1086247

https://www.suse.com/security/cve/CVE-2016-0634/

https://www.suse.com/security/cve/CVE-2016-7543/

http://www.nessus.org/u?e2ee9208

Plugin Details

Severity: High

ID: 110092

File Name: suse_SU-2018-1398-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 5/24/2018

Updated: 10/1/2024

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: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2016-7543

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 7.3

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:bash-debuginfo, p-cpe:/a:novell:suse_linux:bash-debugsource, cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:bash, p-cpe:/a:novell:suse_linux:libreadline6, p-cpe:/a:novell:suse_linux:libreadline6-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/23/2018

Vulnerability Publication Date: 1/19/2017

Reference Information

CVE: CVE-2016-0634, CVE-2016-7543