Operating System:

[SUSE]

Published:

14 October 2020

Protect yourself against future threats.

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

                               ESB-2020.3512
                       Security update for tigervnc
                              14 October 2020

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

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

Product:           tigervnc
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Provide Misleading Information -- Remote with User Interaction
                   Access Confidential Data       -- Remote with User Interaction
                   Reduced Security               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-26117  

Reference:         ESB-2020.3504
                   ESB-2020.3457

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2020/suse-su-20202898-1

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SUSE Security Update: Security update for tigervnc

______________________________________________________________________________

Announcement ID:   SUSE-SU-2020:2898-1
Rating:            critical
References:        #1176733
Cross-References:  CVE-2020-26117
Affected Products:
                   SUSE OpenStack Cloud Crowbar 8
                   SUSE OpenStack Cloud 8
                   SUSE OpenStack Cloud 7
                   SUSE Linux Enterprise Server for SAP 12-SP3
                   SUSE Linux Enterprise Server for SAP 12-SP2
                   SUSE Linux Enterprise Server 12-SP3-LTSS
                   SUSE Linux Enterprise Server 12-SP3-BCL
                   SUSE Linux Enterprise Server 12-SP2-LTSS
                   SUSE Linux Enterprise Server 12-SP2-BCL
                   SUSE Enterprise Storage 5
                   HPE Helion Openstack 8
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for tigervnc fixes the following issues:

  o CVE-2020-26117: Server certificates were stored as certiticate authorities,
    allowing malicious owners of these certificates to impersonate any server
    after a client had added an exception (bsc#1176733).

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:

  o SUSE OpenStack Cloud Crowbar 8:
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-2898=1
  o SUSE OpenStack Cloud 8:
    zypper in -t patch SUSE-OpenStack-Cloud-8-2020-2898=1
  o SUSE OpenStack Cloud 7:
    zypper in -t patch SUSE-OpenStack-Cloud-7-2020-2898=1
  o SUSE Linux Enterprise Server for SAP 12-SP3:
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-2898=1
  o SUSE Linux Enterprise Server for SAP 12-SP2:
    zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-2898=1
  o SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-2898=1
  o SUSE Linux Enterprise Server 12-SP3-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2020-2898=1
  o SUSE Linux Enterprise Server 12-SP2-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-2898=1
  o SUSE Linux Enterprise Server 12-SP2-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-2898=1
  o SUSE Enterprise Storage 5:
    zypper in -t patch SUSE-Storage-5-2020-2898=1
  o HPE Helion Openstack 8:
    zypper in -t patch HPE-Helion-OpenStack-8-2020-2898=1

Package List:

  o SUSE OpenStack Cloud Crowbar 8 (x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1
  o SUSE OpenStack Cloud 8 (x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1
  o SUSE OpenStack Cloud 7 (s390x x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1
  o SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1
  o SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1
  o SUSE Linux Enterprise Server 12-SP3-LTSS (aarch64 ppc64le s390x x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1
  o SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1
  o SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le s390x x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1
  o SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1
  o SUSE Enterprise Storage 5 (aarch64 x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1
  o HPE Helion Openstack 8 (x86_64):
       libXvnc1-1.6.0-27.1
       libXvnc1-debuginfo-1.6.0-27.1
       tigervnc-1.6.0-27.1
       tigervnc-debuginfo-1.6.0-27.1
       tigervnc-debugsource-1.6.0-27.1
       xorg-x11-Xvnc-1.6.0-27.1
       xorg-x11-Xvnc-debuginfo-1.6.0-27.1


References:

  o https://www.suse.com/security/cve/CVE-2020-26117.html
  o https://bugzilla.suse.com/1176733

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