Security update for tigervnc

Announcement ID: SUSE-SU-2017:0519-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2016-10207 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2016-9941 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2016-9942 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise Desktop 12 SP1
  • SUSE Linux Enterprise Server 12 SP1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP1

An update that solves three vulnerabilities can now be installed.

Description:

This update for tigervnc provides the following fixes:

  • Prevent malicious server from crashing a server via a buffer overflow, a similar flaw as the LibVNCServer issues CVE-2016-9941 and CVE-2016-9942.. (bsc#1019274)
  • CVE-2016-10207: Prevent potential crash due to insufficient clean-up after failure to establish TLS connection. (bsc#1023012)

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 Desktop 12 SP1
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2017-263=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP1
    zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-263=1
  • SUSE Linux Enterprise Server 12 SP1
    zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-263=1

Package List:

  • SUSE Linux Enterprise Desktop 12 SP1 (x86_64)
    • tigervnc-debugsource-1.4.3-19.1
    • tigervnc-debuginfo-1.4.3-19.1
    • xorg-x11-Xvnc-1.4.3-19.1
    • xorg-x11-Xvnc-debuginfo-1.4.3-19.1
    • tigervnc-1.4.3-19.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP1 (ppc64le x86_64)
    • tigervnc-debugsource-1.4.3-19.1
    • tigervnc-debuginfo-1.4.3-19.1
    • xorg-x11-Xvnc-1.4.3-19.1
    • xorg-x11-Xvnc-debuginfo-1.4.3-19.1
    • tigervnc-1.4.3-19.1
  • SUSE Linux Enterprise Server 12 SP1 (ppc64le s390x x86_64)
    • tigervnc-debugsource-1.4.3-19.1
    • tigervnc-debuginfo-1.4.3-19.1
    • xorg-x11-Xvnc-1.4.3-19.1
    • xorg-x11-Xvnc-debuginfo-1.4.3-19.1
    • tigervnc-1.4.3-19.1

References: