SUSE SLED12 / SLES12 Security Update : zsh (SUSE-SU-2018:1072-1)

critical Nessus Plugin ID 109355

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Synopsis

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

Description

This update for zsh fixes the following issues :

- CVE-2014-10070: environment variable injection could lead to local privilege escalation (bnc#1082885)

- CVE-2014-10071: buffer overflow in exec.c could lead to denial of service. (bnc#1082977)

- CVE-2014-10072: buffer overflow In utils.c when scanning very long directory paths for symbolic links.
(bnc#1082975)

- CVE-2016-10714: In zsh before 5.3, an off-by-one error resulted in undersized buffers that were intended to support PATH_MAX characters. (bnc#1083250)

- CVE-2017-18205: In builtin.c when sh compatibility mode is used, a NULL pointer dereference could lead to denial of service (bnc#1082998)

- CVE-2018-1071: exec.c:hashcmd() function vulnerability could lead to denial of service. (bnc#1084656)

- CVE-2018-1083: Autocomplete vulnerability could lead to privilege escalation. (bnc#1087026)

- CVE-2018-7549: In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p. (bnc#1082991)

- CVE-2017-18206: buffer overrun in xsymlinks could lead to denial of service (bnc#1083002)

- Autocomplete and REPORTTIME broken (bsc#896914)

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 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-733=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-733=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1082885

https://bugzilla.suse.com/show_bug.cgi?id=1082975

https://bugzilla.suse.com/show_bug.cgi?id=1082977

https://bugzilla.suse.com/show_bug.cgi?id=1082991

https://bugzilla.suse.com/show_bug.cgi?id=1082998

https://bugzilla.suse.com/show_bug.cgi?id=1083002

https://bugzilla.suse.com/show_bug.cgi?id=1083250

https://bugzilla.suse.com/show_bug.cgi?id=1084656

https://bugzilla.suse.com/show_bug.cgi?id=1087026

https://bugzilla.suse.com/show_bug.cgi?id=896914

https://www.suse.com/security/cve/CVE-2014-10070/

https://www.suse.com/security/cve/CVE-2014-10071/

https://www.suse.com/security/cve/CVE-2014-10072/

https://www.suse.com/security/cve/CVE-2016-10714/

https://www.suse.com/security/cve/CVE-2017-18205/

https://www.suse.com/security/cve/CVE-2017-18206/

https://www.suse.com/security/cve/CVE-2018-1071/

https://www.suse.com/security/cve/CVE-2018-1083/

https://www.suse.com/security/cve/CVE-2018-7549/

http://www.nessus.org/u?b49a1ec1

Plugin Details

Severity: Critical

ID: 109355

File Name: suse_SU-2018-1072-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 4/26/2018

Updated: 9/10/2019

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

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

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

Patch Publication Date: 4/25/2018

Vulnerability Publication Date: 2/27/2018

Reference Information

CVE: CVE-2014-10070, CVE-2014-10071, CVE-2014-10072, CVE-2016-10714, CVE-2017-18205, CVE-2017-18206, CVE-2018-1071, CVE-2018-1083, CVE-2018-7549