Security update for tigervnc

Announcement ID: SUSE-SU-2020:2882-1
Rating: critical
References:
Cross-References:
CVSS scores:
  • CVE-2020-26117 ( SUSE ): 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
  • CVE-2020-26117 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server 15 LTSS 15
  • SUSE Linux Enterprise Server ESPOS 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves one vulnerability can now be installed.

Description:

This update for tigervnc fixes the following issues:

  • 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 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 Server ESPOS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2882=1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2882=1
  • SUSE Linux Enterprise Server 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-SLES-15-2020-2882=1
  • SUSE Linux Enterprise Server for SAP Applications 15
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-2882=1

Package List:

  • SUSE Linux Enterprise Server ESPOS 15 (aarch64 x86_64)
    • tigervnc-1.8.0-13.14.1
    • libXvnc1-1.8.0-13.14.1
    • tigervnc-debugsource-1.8.0-13.14.1
    • xorg-x11-Xvnc-debuginfo-1.8.0-13.14.1
    • libXvnc1-debuginfo-1.8.0-13.14.1
    • xorg-x11-Xvnc-1.8.0-13.14.1
    • tigervnc-debuginfo-1.8.0-13.14.1
  • SUSE Linux Enterprise Server ESPOS 15 (noarch)
    • xorg-x11-Xvnc-novnc-1.8.0-13.14.1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (aarch64 x86_64)
    • tigervnc-1.8.0-13.14.1
    • libXvnc1-1.8.0-13.14.1
    • tigervnc-debugsource-1.8.0-13.14.1
    • xorg-x11-Xvnc-debuginfo-1.8.0-13.14.1
    • libXvnc1-debuginfo-1.8.0-13.14.1
    • xorg-x11-Xvnc-1.8.0-13.14.1
    • tigervnc-debuginfo-1.8.0-13.14.1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (noarch)
    • xorg-x11-Xvnc-novnc-1.8.0-13.14.1
  • SUSE Linux Enterprise Server 15 LTSS 15 (aarch64 ppc64le s390x x86_64)
    • tigervnc-1.8.0-13.14.1
    • libXvnc1-1.8.0-13.14.1
    • tigervnc-debugsource-1.8.0-13.14.1
    • xorg-x11-Xvnc-debuginfo-1.8.0-13.14.1
    • libXvnc1-debuginfo-1.8.0-13.14.1
    • xorg-x11-Xvnc-1.8.0-13.14.1
    • tigervnc-debuginfo-1.8.0-13.14.1
  • SUSE Linux Enterprise Server 15 LTSS 15 (noarch)
    • xorg-x11-Xvnc-novnc-1.8.0-13.14.1
  • SUSE Linux Enterprise Server for SAP Applications 15 (ppc64le x86_64)
    • tigervnc-1.8.0-13.14.1
    • libXvnc1-1.8.0-13.14.1
    • tigervnc-debugsource-1.8.0-13.14.1
    • xorg-x11-Xvnc-debuginfo-1.8.0-13.14.1
    • libXvnc1-debuginfo-1.8.0-13.14.1
    • xorg-x11-Xvnc-1.8.0-13.14.1
    • tigervnc-debuginfo-1.8.0-13.14.1
  • SUSE Linux Enterprise Server for SAP Applications 15 (noarch)
    • xorg-x11-Xvnc-novnc-1.8.0-13.14.1

References: