ESB-2019.0114 - [SUSE] LibVNCServer: Multiple vulnerabilities - 2019-01-11


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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0114
          SUSE Security Update: Security update for LibVNCServer
                              11 January 2019

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

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

Product:           LibVNCServer
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-20024 CVE-2018-20023 CVE-2018-20022
                   CVE-2018-20021 CVE-2018-20020 CVE-2018-20019
                   CVE-2018-15127 CVE-2018-15126 CVE-2018-6307

Reference:         ESB-2019.0009

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2019/suse-su-20190060-1/

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   SUSE Security Update: Security update for LibVNCServer
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:0060-1
Rating:             important
References:         #1120114 #1120115 #1120116 #1120117 #1120118 
                    #1120119 #1120120 #1120121 #1120122 
Cross-References:   CVE-2018-15126 CVE-2018-15127 CVE-2018-20019
                    CVE-2018-20020 CVE-2018-20021 CVE-2018-20022
                    CVE-2018-20023 CVE-2018-20024 CVE-2018-6307
                   
Affected Products:
                    SUSE OpenStack Cloud 7
                    SUSE Linux Enterprise Software Development Kit 12-SP4
                    SUSE Linux Enterprise Software Development Kit 12-SP3
                    SUSE Linux Enterprise Server for SAP 12-SP2
                    SUSE Linux Enterprise Server 12-SP4
                    SUSE Linux Enterprise Server 12-SP3
                    SUSE Linux Enterprise Server 12-SP2-LTSS
                    SUSE Linux Enterprise Server 12-SP2-BCL
                    SUSE Linux Enterprise Server 12-SP1-LTSS
                    SUSE Linux Enterprise Server 12-LTSS
                    SUSE Enterprise Storage 4
______________________________________________________________________________

   An update that fixes 9 vulnerabilities is now available.

Description:

   This update for LibVNCServer fixes the following issues:

   Security issues fixed:

   - CVE-2018-15126: Fixed use-after-free in file transfer extension
     (bsc#1120114)
   - CVE-2018-6307: Fixed use-after-free in file transfer extension server
     code (bsc#1120115)
   - CVE-2018-20020: Fixed heap out-of-bound write inside structure in VNC
     client code (bsc#1120116)
   - CVE-2018-15127: Fixed heap out-of-bounds write in rfbserver.c
     (bsc#1120117)
   - CVE-2018-20019: Fixed multiple heap out-of-bound writes in VNC client
     code (bsc#1120118)
   - CVE-2018-20023: Fixed information disclosure through improper
     initialization in VNC Repeater client code (bsc#1120119)
   - CVE-2018-20022: Fixed information disclosure through improper
     initialization in VNC client code (bsc#1120120)
   - CVE-2018-20024: Fixed NULL pointer dereference in VNC client code
     (bsc#1120121)
   - CVE-2018-20021: Fixed infinite loop in VNC client code (bsc#1120122)


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 OpenStack Cloud 7:

      zypper in -t patch SUSE-OpenStack-Cloud-7-2019-60=1

   - SUSE Linux Enterprise Software Development Kit 12-SP4:

      zypper in -t patch SUSE-SLE-SDK-12-SP4-2019-60=1

   - SUSE Linux Enterprise Software Development Kit 12-SP3:

      zypper in -t patch SUSE-SLE-SDK-12-SP3-2019-60=1

   - SUSE Linux Enterprise Server for SAP 12-SP2:

      zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-60=1

   - SUSE Linux Enterprise Server 12-SP4:

      zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-60=1

   - SUSE Linux Enterprise Server 12-SP3:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-60=1

   - SUSE Linux Enterprise Server 12-SP2-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-60=1

   - SUSE Linux Enterprise Server 12-SP2-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2019-60=1

   - SUSE Linux Enterprise Server 12-SP1-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP1-2019-60=1

   - SUSE Linux Enterprise Server 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2019-60=1

   - SUSE Enterprise Storage 4:

      zypper in -t patch SUSE-Storage-4-2019-60=1



Package List:

   - SUSE OpenStack Cloud 7 (s390x x86_64):

      LibVNCServer-debugsource-0.9.9-17.8.1
      libvncclient0-0.9.9-17.8.1
      libvncclient0-debuginfo-0.9.9-17.8.1
      libvncserver0-0.9.9-17.8.1
      libvncserver0-debuginfo-0.9.9-17.8.1

   - SUSE Linux Enterprise Software Development Kit 12-SP4 (aarch64 ppc64le s390x x86_64):

      LibVNCServer-debugsource-0.9.9-17.8.1
      LibVNCServer-devel-0.9.9-17.8.1

   - SUSE Linux Enterprise Software Development Kit 12-SP3 (aarch64 ppc64le s390x x86_64):

      LibVNCServer-debugsource-0.9.9-17.8.1
      LibVNCServer-devel-0.9.9-17.8.1

   - SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):

      LibVNCServer-debugsource-0.9.9-17.8.1
      libvncclient0-0.9.9-17.8.1
      libvncclient0-debuginfo-0.9.9-17.8.1
      libvncserver0-0.9.9-17.8.1
      libvncserver0-debuginfo-0.9.9-17.8.1

   - SUSE Linux Enterprise Server 12-SP4 (aarch64 ppc64le s390x x86_64):

      LibVNCServer-debugsource-0.9.9-17.8.1
      libvncclient0-0.9.9-17.8.1
      libvncclient0-debuginfo-0.9.9-17.8.1
      libvncserver0-0.9.9-17.8.1
      libvncserver0-debuginfo-0.9.9-17.8.1

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

      LibVNCServer-debugsource-0.9.9-17.8.1
      libvncclient0-0.9.9-17.8.1
      libvncclient0-debuginfo-0.9.9-17.8.1
      libvncserver0-0.9.9-17.8.1
      libvncserver0-debuginfo-0.9.9-17.8.1

   - SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le s390x x86_64):

      LibVNCServer-debugsource-0.9.9-17.8.1
      libvncclient0-0.9.9-17.8.1
      libvncclient0-debuginfo-0.9.9-17.8.1
      libvncserver0-0.9.9-17.8.1
      libvncserver0-debuginfo-0.9.9-17.8.1

   - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):

      LibVNCServer-debugsource-0.9.9-17.8.1
      libvncclient0-0.9.9-17.8.1
      libvncclient0-debuginfo-0.9.9-17.8.1
      libvncserver0-0.9.9-17.8.1
      libvncserver0-debuginfo-0.9.9-17.8.1

   - SUSE Linux Enterprise Server 12-SP1-LTSS (ppc64le s390x x86_64):

      LibVNCServer-debugsource-0.9.9-17.8.1
      libvncclient0-0.9.9-17.8.1
      libvncclient0-debuginfo-0.9.9-17.8.1
      libvncserver0-0.9.9-17.8.1
      libvncserver0-debuginfo-0.9.9-17.8.1

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

      LibVNCServer-debugsource-0.9.9-17.8.1
      libvncclient0-0.9.9-17.8.1
      libvncclient0-debuginfo-0.9.9-17.8.1
      libvncserver0-0.9.9-17.8.1
      libvncserver0-debuginfo-0.9.9-17.8.1

   - SUSE Enterprise Storage 4 (x86_64):

      LibVNCServer-debugsource-0.9.9-17.8.1
      libvncclient0-0.9.9-17.8.1
      libvncclient0-debuginfo-0.9.9-17.8.1
      libvncserver0-0.9.9-17.8.1
      libvncserver0-debuginfo-0.9.9-17.8.1


References:

   https://www.suse.com/security/cve/CVE-2018-15126.html
   https://www.suse.com/security/cve/CVE-2018-15127.html
   https://www.suse.com/security/cve/CVE-2018-20019.html
   https://www.suse.com/security/cve/CVE-2018-20020.html
   https://www.suse.com/security/cve/CVE-2018-20021.html
   https://www.suse.com/security/cve/CVE-2018-20022.html
   https://www.suse.com/security/cve/CVE-2018-20023.html
   https://www.suse.com/security/cve/CVE-2018-20024.html
   https://www.suse.com/security/cve/CVE-2018-6307.html
   https://bugzilla.suse.com/1120114
   https://bugzilla.suse.com/1120115
   https://bugzilla.suse.com/1120116
   https://bugzilla.suse.com/1120117
   https://bugzilla.suse.com/1120118
   https://bugzilla.suse.com/1120119
   https://bugzilla.suse.com/1120120
   https://bugzilla.suse.com/1120121
   https://bugzilla.suse.com/1120122

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