SUSE SLED12 / SLES12 Security Update : bash (SUSE-SU-2016:2872-1) (Shellshock)

high Nessus Plugin ID 95282

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New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

This update for bash fixes the following issues :

- CVE-2016-7543: Local attackers could have executed arbitrary commands via specially crafted SHELLOPTS+PS4 variables (bsc#1001299)

- CVE-2016-0634: Malicious hostnames could have allowed arbitrary command execution when $HOSTNAME was expanded in the prompt (bsc#1000396)

- CVE-2014-6277: More troubles with functions (bsc#898812, bsc#1001759)

- CVE-2014-6278: Code execution after original 6271 fix (bsc#898884)

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 YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Workstation Extension 12-SP1:zypper in -t patch SUSE-SLE-WE-12-SP1-2016-1681=1

SUSE Linux Enterprise Software Development Kit 12-SP1:zypper in -t patch SUSE-SLE-SDK-12-SP1-2016-1681=1

SUSE Linux Enterprise Server 12-SP1:zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-1681=1

SUSE Linux Enterprise Desktop 12-SP1:zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2016-1681=1

To bring your system up-to-date, use 'zypper patch'.

See Also

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

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

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

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

https://bugzilla.suse.com/show_bug.cgi?id=1001759

https://bugzilla.suse.com/show_bug.cgi?id=898812

https://bugzilla.suse.com/show_bug.cgi?id=898884

https://www.suse.com/security/cve/CVE-2014-6277/

https://www.suse.com/security/cve/CVE-2014-6278/

http://www.nessus.org/u?c2ca2949

Plugin Details

Severity: High

ID: 95282

File Name: suse_SU-2016-2872-1.nasl

Version: 3.9

Type: local

Agent: unix

Published: 11/23/2016

Updated: 1/6/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

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

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 7.8

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:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:o:novell:suse_linux:12:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:bash:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:bash-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:bash-debugsource:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:libreadline6:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:libreadline6-debuginfo:*:*:*:*:*:*:*

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: 11/22/2016

Vulnerability Publication Date: 9/27/2014

Exploitable With

Core Impact

Metasploit (CUPS Filter Bash Environment Variable Code Injection (Shellshock))

Reference Information

CVE: CVE-2016-0634, CVE-2016-7543, CVE-2014-6277, CVE-2014-6278

BID: 70165, 70166

IAVA: 2014-A-0142