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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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