Security update for LibVNCServer

Announcement ID: SUSE-SU-2019:0313-2
Rating: critical
References:
Cross-References:
CVSS scores:
  • CVE-2018-20748 ( SUSE ): 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2018-20748 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2018-20748 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2018-20749 ( SUSE ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2018-20749 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2018-20749 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2018-20750 ( SUSE ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2018-20750 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2018-20750 ( 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 Server for SAP Applications 12 SP1

An update that solves three vulnerabilities can now be installed.

Description:

This update for LibVNCServer fixes the following issues:

Security issues fixed:

  • CVE-2018-20749: Fixed a heap out of bounds write vulnerability in rfbserver.c (bsc#1123828)
  • CVE-2018-20750: Fixed a heap out of bounds write vulnerability in rfbserver.c (bsc#1123832)
  • CVE-2018-20748: Fixed multiple heap out-of-bound writes in VNC client code (bsc#1123823)

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 for SAP Applications 12 SP1
    zypper in -t patch SUSE-SLE-SAP-12-SP1-2019-313=1

Package List:

  • SUSE Linux Enterprise Server for SAP Applications 12 SP1 (x86_64)
    • LibVNCServer-debugsource-0.9.9-17.11.1
    • libvncclient0-0.9.9-17.11.1
    • libvncserver0-debuginfo-0.9.9-17.11.1
    • libvncserver0-0.9.9-17.11.1
    • libvncclient0-debuginfo-0.9.9-17.11.1

References: