ESB-2018.1275 - [SUSE] zsh: Multiple vulnerabilities 2018-04-26

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             AUSCERT External Security Bulletin Redistribution

                          Security update for zsh
                               26 April 2018


        AusCERT Security Bulletin Summary

Product:           zsh
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account            
                   Increased Privileges            -- Existing Account            
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-7549 CVE-2018-1083 CVE-2018-1071
                   CVE-2017-18206 CVE-2017-18205 CVE-2016-10714
                   CVE-2014-10072 CVE-2014-10071 CVE-2014-10070

Reference:         ESB-2018.0950

Original Bulletin:

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   SUSE Security Update: Security update for zsh

Announcement ID:    SUSE-SU-2018:1072-1
Rating:             important
References:         #1082885 #1082975 #1082977 #1082991 #1082998 
                    #1083002 #1083250 #1084656 #1087026 #896914 
Cross-References:   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
Affected Products:
                    SUSE Linux Enterprise Server 12-SP3
                    SUSE Linux Enterprise Desktop 12-SP3

   An update that solves 9 vulnerabilities and has one errata
   is now available.


   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.

     - 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.

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

     - Autocomplete and REPORTTIME broken (bsc#896914)

Patch Instructions:

   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

Package List:

   - SUSE Linux Enterprise Server 12-SP3 (aarch64 ppc64le s390x x86_64):


   - SUSE Linux Enterprise Desktop 12-SP3 (x86_64):



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