SUSE-SU-2017:0302-1: moderate: Security update for bash

[sle-updates at lists.suse.com]

   SUSE Security Update: Security update for bash
______________________________________________________________________________

Announcement ID:    SUSE-SU-2017:0302-1
Rating:             moderate
References:         #1000396 #1001299 #959755 #971410 
Cross-References:   CVE-2016-0634 CVE-2016-7543
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 11-SP4
                    SUSE Linux Enterprise Server 11-SP4
                    SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________

   An update that solves two vulnerabilities and has two fixes
   is now available.

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)

   The following bugs were fixed:

   - bsc#971410: Scripts could terminate unexpectedly due to mishandled
     recursive traps.
   - bsc#959755: Clarify that the files /etc/profile as well as
     /etc/bash.bashrc may source
     other files as well even if the bash does not.


Patch Instructions:

   To install this SUSE Security Update use YaST online_update.
   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Software Development Kit 11-SP4:

      zypper in -t patch sdksp4-bash-12959=1

   - SUSE Linux Enterprise Server 11-SP4:

      zypper in -t patch slessp4-bash-12959=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-bash-12959=1

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


Package List:

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64):

      readline-devel-5.2-147.29.1

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (ppc64 s390x x86_64):

      readline-devel-32bit-5.2-147.29.1

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 x86_64):

      libreadline5-5.2-147.29.1

   - SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):

      bash-3.2-147.29.1
      bash-doc-3.2-147.29.1
      libreadline5-5.2-147.29.1
      readline-doc-5.2-147.29.1

   - SUSE Linux Enterprise Server 11-SP4 (ppc64 s390x x86_64):

      libreadline5-32bit-5.2-147.29.1

   - SUSE Linux Enterprise Server 11-SP4 (ia64):

      bash-x86-3.2-147.29.1
      libreadline5-x86-5.2-147.29.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):

      bash-debuginfo-3.2-147.29.1
      bash-debugsource-3.2-147.29.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (ia64):

      bash-debuginfo-x86-3.2-147.29.1


References:

   https://www.suse.com/security/cve/CVE-2016-0634.html
   https://www.suse.com/security/cve/CVE-2016-7543.html
   https://bugzilla.suse.com/1000396
   https://bugzilla.suse.com/1001299
   https://bugzilla.suse.com/959755
   https://bugzilla.suse.com/971410