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===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2020.3504
Security update for tigervnc
12 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-2020.3457
Original Bulletin:
https://www.suse.com/support/update/announcement/2020/suse-su-20202882-1
https://www.suse.com/support/update/announcement/2020/suse-su-20202881-1
https://www.suse.com/support/update/announcement/2020/suse-su-20202880-1
Comment: This bulletin contains three (3) SUSE security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
SUSE Security Update: Security update for tigervnc
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:2882-1
Rating: critical
References: #1176733
Cross-References: CVE-2020-26117
Affected Products:
SUSE Linux Enterprise Server for SAP 15
SUSE Linux Enterprise Server 15-LTSS
SUSE Linux Enterprise High Performance Computing 15-LTSS
SUSE Linux Enterprise High Performance Computing 15-ESPOS
______________________________________________________________________________
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 Linux Enterprise Server for SAP 15:
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-2882=1
o SUSE Linux Enterprise Server 15-LTSS:
zypper in -t patch SUSE-SLE-Product-SLES-15-2020-2882=1
o SUSE Linux Enterprise High Performance Computing 15-LTSS:
zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2882=1
o SUSE Linux Enterprise High Performance Computing 15-ESPOS:
zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2882=1
Package List:
o SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):
libXvnc1-1.8.0-13.14.1
libXvnc1-debuginfo-1.8.0-13.14.1
tigervnc-1.8.0-13.14.1
tigervnc-debuginfo-1.8.0-13.14.1
tigervnc-debugsource-1.8.0-13.14.1
xorg-x11-Xvnc-1.8.0-13.14.1
xorg-x11-Xvnc-debuginfo-1.8.0-13.14.1
o SUSE Linux Enterprise Server for SAP 15 (noarch):
xorg-x11-Xvnc-novnc-1.8.0-13.14.1
o SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):
libXvnc1-1.8.0-13.14.1
libXvnc1-debuginfo-1.8.0-13.14.1
tigervnc-1.8.0-13.14.1
tigervnc-debuginfo-1.8.0-13.14.1
tigervnc-debugsource-1.8.0-13.14.1
xorg-x11-Xvnc-1.8.0-13.14.1
xorg-x11-Xvnc-debuginfo-1.8.0-13.14.1
o SUSE Linux Enterprise Server 15-LTSS (noarch):
xorg-x11-Xvnc-novnc-1.8.0-13.14.1
o SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):
libXvnc1-1.8.0-13.14.1
libXvnc1-debuginfo-1.8.0-13.14.1
tigervnc-1.8.0-13.14.1
tigervnc-debuginfo-1.8.0-13.14.1
tigervnc-debugsource-1.8.0-13.14.1
xorg-x11-Xvnc-1.8.0-13.14.1
xorg-x11-Xvnc-debuginfo-1.8.0-13.14.1
o SUSE Linux Enterprise High Performance Computing 15-LTSS (noarch):
xorg-x11-Xvnc-novnc-1.8.0-13.14.1
o SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64):
libXvnc1-1.8.0-13.14.1
libXvnc1-debuginfo-1.8.0-13.14.1
tigervnc-1.8.0-13.14.1
tigervnc-debuginfo-1.8.0-13.14.1
tigervnc-debugsource-1.8.0-13.14.1
xorg-x11-Xvnc-1.8.0-13.14.1
xorg-x11-Xvnc-debuginfo-1.8.0-13.14.1
o SUSE Linux Enterprise High Performance Computing 15-ESPOS (noarch):
xorg-x11-Xvnc-novnc-1.8.0-13.14.1
References:
o https://www.suse.com/security/cve/CVE-2020-26117.html
o https://bugzilla.suse.com/1176733
- -----------------------------------------------------------------------------------------------
SUSE Security Update: Security update for tigervnc
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:2881-1
Rating: critical
References: #1176733
Cross-References: CVE-2020-26117
Affected Products:
SUSE OpenStack Cloud Crowbar 9
SUSE OpenStack Cloud 9
SUSE Linux Enterprise Server for SAP 12-SP4
SUSE Linux Enterprise Server 12-SP5
SUSE Linux Enterprise Server 12-SP4-LTSS
______________________________________________________________________________
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 9:
zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2020-2881=1
o SUSE OpenStack Cloud 9:
zypper in -t patch SUSE-OpenStack-Cloud-9-2020-2881=1
o SUSE Linux Enterprise Server for SAP 12-SP4:
zypper in -t patch SUSE-SLE-SAP-12-SP4-2020-2881=1
o SUSE Linux Enterprise Server 12-SP5:
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2881=1
o SUSE Linux Enterprise Server 12-SP4-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2020-2881=1
Package List:
o SUSE OpenStack Cloud Crowbar 9 (x86_64):
libXvnc1-1.6.0-22.17.1
libXvnc1-debuginfo-1.6.0-22.17.1
tigervnc-1.6.0-22.17.1
tigervnc-debuginfo-1.6.0-22.17.1
tigervnc-debugsource-1.6.0-22.17.1
xorg-x11-Xvnc-1.6.0-22.17.1
xorg-x11-Xvnc-debuginfo-1.6.0-22.17.1
o SUSE OpenStack Cloud 9 (x86_64):
libXvnc1-1.6.0-22.17.1
libXvnc1-debuginfo-1.6.0-22.17.1
tigervnc-1.6.0-22.17.1
tigervnc-debuginfo-1.6.0-22.17.1
tigervnc-debugsource-1.6.0-22.17.1
xorg-x11-Xvnc-1.6.0-22.17.1
xorg-x11-Xvnc-debuginfo-1.6.0-22.17.1
o SUSE Linux Enterprise Server for SAP 12-SP4 (ppc64le x86_64):
libXvnc1-1.6.0-22.17.1
libXvnc1-debuginfo-1.6.0-22.17.1
tigervnc-1.6.0-22.17.1
tigervnc-debuginfo-1.6.0-22.17.1
tigervnc-debugsource-1.6.0-22.17.1
xorg-x11-Xvnc-1.6.0-22.17.1
xorg-x11-Xvnc-debuginfo-1.6.0-22.17.1
o SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):
libXvnc1-1.6.0-22.17.1
libXvnc1-debuginfo-1.6.0-22.17.1
tigervnc-1.6.0-22.17.1
tigervnc-debuginfo-1.6.0-22.17.1
tigervnc-debugsource-1.6.0-22.17.1
xorg-x11-Xvnc-1.6.0-22.17.1
xorg-x11-Xvnc-debuginfo-1.6.0-22.17.1
o SUSE Linux Enterprise Server 12-SP4-LTSS (aarch64 ppc64le s390x x86_64):
libXvnc1-1.6.0-22.17.1
libXvnc1-debuginfo-1.6.0-22.17.1
tigervnc-1.6.0-22.17.1
tigervnc-debuginfo-1.6.0-22.17.1
tigervnc-debugsource-1.6.0-22.17.1
xorg-x11-Xvnc-1.6.0-22.17.1
xorg-x11-Xvnc-debuginfo-1.6.0-22.17.1
References:
o https://www.suse.com/security/cve/CVE-2020-26117.html
o https://bugzilla.suse.com/1176733
- -----------------------------------------------------------------------------------------
SUSE Security Update: Security update for tigervnc
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:2880-1
Rating: critical
References: #1176733
Cross-References: CVE-2020-26117
Affected Products:
SUSE Linux Enterprise Module for Desktop Applications 15-SP2
SUSE Linux Enterprise Module for Desktop Applications 15-SP1
SUSE Linux Enterprise Module for Basesystem 15-SP2
SUSE Linux Enterprise Module for Basesystem 15-SP1
______________________________________________________________________________
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 Linux Enterprise Module for Desktop Applications 15-SP2:
zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP2-2020-2880=1
o SUSE Linux Enterprise Module for Desktop Applications 15-SP1:
zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP1-2020-2880=1
o SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-2880=1
o SUSE Linux Enterprise Module for Basesystem 15-SP1:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-2880=1
Package List:
o SUSE Linux Enterprise Module for Desktop Applications 15-SP2 (aarch64
ppc64le s390x x86_64):
libXvnc-devel-1.9.0-19.9.1
tigervnc-debuginfo-1.9.0-19.9.1
tigervnc-debugsource-1.9.0-19.9.1
o SUSE Linux Enterprise Module for Desktop Applications 15-SP1 (aarch64
ppc64le s390x x86_64):
libXvnc-devel-1.9.0-19.9.1
tigervnc-debuginfo-1.9.0-19.9.1
tigervnc-debugsource-1.9.0-19.9.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x
x86_64):
libXvnc1-1.9.0-19.9.1
libXvnc1-debuginfo-1.9.0-19.9.1
tigervnc-1.9.0-19.9.1
tigervnc-debuginfo-1.9.0-19.9.1
tigervnc-debugsource-1.9.0-19.9.1
xorg-x11-Xvnc-1.9.0-19.9.1
xorg-x11-Xvnc-debuginfo-1.9.0-19.9.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le
x86_64):
xorg-x11-Xvnc-module-1.9.0-19.9.1
xorg-x11-Xvnc-module-debuginfo-1.9.0-19.9.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (noarch):
xorg-x11-Xvnc-novnc-1.9.0-19.9.1
o SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x
x86_64):
libXvnc1-1.9.0-19.9.1
libXvnc1-debuginfo-1.9.0-19.9.1
tigervnc-1.9.0-19.9.1
tigervnc-debuginfo-1.9.0-19.9.1
tigervnc-debugsource-1.9.0-19.9.1
xorg-x11-Xvnc-1.9.0-19.9.1
xorg-x11-Xvnc-debuginfo-1.9.0-19.9.1
o SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le
x86_64):
xorg-x11-Xvnc-module-1.9.0-19.9.1
xorg-x11-Xvnc-module-debuginfo-1.9.0-19.9.1
o SUSE Linux Enterprise Module for Basesystem 15-SP1 (noarch):
xorg-x11-Xvnc-novnc-1.9.0-19.9.1
References:
o https://www.suse.com/security/cve/CVE-2020-26117.html
o https://bugzilla.suse.com/1176733
- --------------------------END INCLUDED TEXT--------------------
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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===========================================================================
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