SUSE Security Update: Security update for LibVNCServer
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:1873-1
Rating:             important
References:         #1173477 
Cross-References:   CVE-2017-18922
Affected Products:
                    SUSE Linux Enterprise Workstation Extension 15-SP2
                    SUSE Linux Enterprise Workstation Extension 15-SP1
                    SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2
                    SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP1
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for LibVNCServer fixes the following issues:

   - CVE-2017-18922: Fixed an issue which could have allowed to an attacker
     to pre-auth overwrite a function pointer which subsequently used leading
     to potential remote code execution (bsc#1173477).


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:

   - SUSE Linux Enterprise Workstation Extension 15-SP2:

      zypper in -t patch SUSE-SLE-Product-WE-15-SP2-2020-1873=1

   - SUSE Linux Enterprise Workstation Extension 15-SP1:

      zypper in -t patch SUSE-SLE-Product-WE-15-SP1-2020-1873=1

   - SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP2-2020-1873=1

   - SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP1:

      zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP1-2020-1873=1



Package List:

   - SUSE Linux Enterprise Workstation Extension 15-SP2 (x86_64):

      LibVNCServer-debugsource-0.9.10-4.19.1
      libvncclient0-0.9.10-4.19.1
      libvncclient0-debuginfo-0.9.10-4.19.1
      libvncserver0-0.9.10-4.19.1
      libvncserver0-debuginfo-0.9.10-4.19.1

   - SUSE Linux Enterprise Workstation Extension 15-SP1 (x86_64):

      LibVNCServer-debugsource-0.9.10-4.19.1
      libvncclient0-0.9.10-4.19.1
      libvncclient0-debuginfo-0.9.10-4.19.1

   - SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2 (aarch64 ppc64le s390x x86_64):

      LibVNCServer-debugsource-0.9.10-4.19.1
      libvncserver0-0.9.10-4.19.1
      libvncserver0-debuginfo-0.9.10-4.19.1

   - SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP1 (aarch64 ppc64le s390x x86_64):

      LibVNCServer-debugsource-0.9.10-4.19.1
      libvncserver0-0.9.10-4.19.1
      libvncserver0-debuginfo-0.9.10-4.19.1


References:

   https://www.suse.com/security/cve/CVE-2017-18922.html
   https://bugzilla.suse.com/1173477

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SUSE: 2020:1873-1 important: LibVNCServer

July 7, 2020
An update that fixes one vulnerability is now available

Summary

This update for LibVNCServer fixes the following issues: - CVE-2017-18922: Fixed an issue which could have allowed to an attacker to pre-auth overwrite a function pointer which subsequently used leading to potential remote code execution (bsc#1173477). 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: - SUSE Linux Enterprise Workstation Extension 15-SP2: zypper in -t patch SUSE-SLE-Product-WE-15-SP2-2020-1873=1 - SUSE Linux Enterprise Workstation Extension 15-SP1: zypper in -t patch SUSE-SLE-Product-WE-15-SP1-2020-1873=1 - SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2: zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP2-2020-1873=1 - SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP1: zypper in -t patch SUSE-SL...

Read the Full Advisory

References

#1173477

Cross- CVE-2017-18922

Affected Products:

SUSE Linux Enterprise Workstation Extension 15-SP2

SUSE Linux Enterprise Workstation Extension 15-SP1

SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2

SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP1

https://www.suse.com/security/cve/CVE-2017-18922.html

https://bugzilla.suse.com/1173477

Severity
Announcement ID: SUSE-SU-2020:1873-1
Rating: important

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