ESB-2018.2928 - [SUSE] mgetty: Multiple vulnerabilities 2018-09-28

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2928
             SUSE Security Update: Security update for mgetty
                             28 September 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           mgetty
Operating System:  SUSE
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Denial of Service               -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-16745 CVE-2018-16744 CVE-2018-16743
                   CVE-2018-16742 CVE-2018-16741 

Reference:         ESB-2018.2883
                   ESB-2018.2727
                   ESB-2018.2707

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2018/suse-su-20182894-1/

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   SUSE Security Update: Security update for mgetty
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2894-1
Rating:             important
References:         #1108752 #1108756 #1108757 #1108761 #1108762 
                    
Cross-References:   CVE-2018-16741 CVE-2018-16742 CVE-2018-16743
                    CVE-2018-16744 CVE-2018-16745
Affected Products:
                    SUSE Linux Enterprise Module for Basesystem 15
______________________________________________________________________________

   An update that fixes 5 vulnerabilities is now available.

Description:

   This update for mgetty fixes the following issues:

   - CVE-2018-16741: The function do_activate() did not properly sanitize
     shell metacharacters to prevent command injection (bsc#1108752).
   - CVE-2018-16745: The mail_to parameter was not sanitized, leading to a
     buffer
     overflow if long untrusted input reached it (bsc#1108756).
   - CVE-2018-16744: The mail_to parameter was not sanitized, leading to
     command injection if untrusted input reached reach it (bsc#1108757).
   - CVE-2018-16742: Prevent stack-based buffer overflow that could have been
     triggered via a command-line parameter (bsc#1108762).
   - CVE-2018-16743: The command-line parameter username wsa passed
     unsanitized to strcpy(), which could have caused a stack-based buffer
     overflow (bsc#1108761).


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 Module for Basesystem 15:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-2054=1



Package List:

   - SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):

      g3utils-1.1.37-3.3.2
      g3utils-debuginfo-1.1.37-3.3.2
      mgetty-1.1.37-3.3.2
      mgetty-debuginfo-1.1.37-3.3.2
      mgetty-debugsource-1.1.37-3.3.2


References:

   https://www.suse.com/security/cve/CVE-2018-16741.html
   https://www.suse.com/security/cve/CVE-2018-16742.html
   https://www.suse.com/security/cve/CVE-2018-16743.html
   https://www.suse.com/security/cve/CVE-2018-16744.html
   https://www.suse.com/security/cve/CVE-2018-16745.html
   https://bugzilla.suse.com/1108752
   https://bugzilla.suse.com/1108756
   https://bugzilla.suse.com/1108757
   https://bugzilla.suse.com/1108761
   https://bugzilla.suse.com/1108762

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