Upstream information

CVE-2016-9942 at MITRE

Description

Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 7.5 6.8
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network Network
Access Complexity Low Medium
Authentication None None
Confidentiality Impact Partial Partial
Integrity Impact Partial Partial
Availability Impact Partial Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 9.8
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3
SUSE Bugzilla entries: 1017712 [RESOLVED / FIXED], 1019274 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 11 SP4
SUSE Linux Enterprise Software Development Kit 11 SP4
  • LibVNCServer-devel >= 0.9.1-159.1
 Patchnames:
sdksp4-LibVNCServer-12932
SUSE Linux Enterprise Desktop 12 SP1
  • tigervnc >= 1.4.3-19.1
  • xorg-x11-Xvnc >= 1.4.3-19.1
 Patchnames:
SUSE-SLE-DESKTOP-12-SP1-2017-263
SUSE Linux Enterprise Desktop 12 SP2
  • LibVNCServer-devel >= 0.9.9-17.5.1
  • libXvnc1 >= 1.6.0-16.4
  • tigervnc >= 1.6.0-16.4
  • xorg-x11-Xvnc >= 1.6.0-16.4
 Patchnames:
SUSE-SLE-DESKTOP-12-SP2-2017-335
SUSE-SLE-SDK-12-SP2-2018-554
SUSE Linux Enterprise Desktop 12 SP3
SUSE Linux Enterprise Software Development Kit 12 SP3
  • LibVNCServer-devel >= 0.9.9-17.5.1
 Patchnames:
SUSE-SLE-SDK-12-SP3-2018-554
SUSE Linux Enterprise Desktop 12 SP4
SUSE Linux Enterprise Server for SAP Applications 12 SP4
SUSE Linux Enterprise Software Development Kit 12 SP4
  • LibVNCServer-devel >= 0.9.9-17.5.1
 Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP4 GA LibVNCServer-devel-0.9.9-17.5.1
SUSE Linux Enterprise High Performance Computing 12 SP5
  • libvncclient0 >= 0.9.9-17.14.1
  • libvncserver0 >= 0.9.9-17.14.1
 Patchnames:
SUSE Linux Enterprise High Performance Computing 12 SP5 GA libvncclient0-0.9.9-17.14.1
SUSE Linux Enterprise Server 11 SP4
SUSE Linux Enterprise Server for SAP Applications 11 SP4
  • LibVNCServer >= 0.9.1-159.1
  • LibVNCServer-devel >= 0.9.1-159.1
 Patchnames:
sdksp4-LibVNCServer-12932
slessp4-LibVNCServer-12932
SUSE Linux Enterprise Server 12 SP1
SUSE Linux Enterprise Server for SAP Applications 12 SP1
  • tigervnc >= 1.4.3-19.1
  • xorg-x11-Xvnc >= 1.4.3-19.1
 Patchnames:
SUSE-SLE-SERVER-12-SP1-2017-263
SUSE Linux Enterprise Server 12 SP2
SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • LibVNCServer-devel >= 0.9.9-17.5.1
  • libXvnc1 >= 1.6.0-16.4
  • libvncclient0 >= 0.9.9-17.5.1
  • libvncserver0 >= 0.9.9-17.5.1
  • tigervnc >= 1.6.0-16.4
  • xorg-x11-Xvnc >= 1.6.0-16.4
 Patchnames:
SUSE-SLE-SDK-12-SP2-2018-554
SUSE-SLE-SERVER-12-SP2-2017-335
SUSE-SLE-SERVER-12-SP2-2018-554
SUSE Linux Enterprise Server 12 SP3
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • LibVNCServer-devel >= 0.9.9-17.5.1
  • libvncclient0 >= 0.9.9-17.5.1
  • libvncserver0 >= 0.9.9-17.5.1
 Patchnames:
SUSE-SLE-SDK-12-SP3-2018-554
SUSE-SLE-SERVER-12-SP3-2018-554
SUSE Linux Enterprise Server 12 SP4
  • LibVNCServer-devel >= 0.9.9-17.5.1
  • libvncclient0 >= 0.9.9-17.5.1
  • libvncserver0 >= 0.9.9-17.5.1
 Patchnames:
SUSE Linux Enterprise Server 12 SP4 GA libvncclient0-0.9.9-17.5.1
SUSE Linux Enterprise Software Development Kit 12 SP4 GA LibVNCServer-devel-0.9.9-17.5.1
SUSE Linux Enterprise Server 12 SP5
  • LibVNCServer-devel >= 0.9.9-17.5.1
  • libvncclient0 >= 0.9.9-17.14.1
  • libvncserver0 >= 0.9.9-17.14.1
 Patchnames:
SUSE Linux Enterprise Server 12 SP5 GA libvncclient0-0.9.9-17.14.1
SUSE Linux Enterprise Software Development Kit 12 SP5 GA LibVNCServer-0.9.9-17.14.1
SUSE Linux Enterprise Software Development Kit 12 SP5 GA LibVNCServer-devel-0.9.9-17.14.1
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2
  • libXvnc1 >= 1.6.0-16.4
  • libvncclient0 >= 0.9.9-17.5.1
  • libvncserver0 >= 0.9.9-17.5.1
  • tigervnc >= 1.6.0-16.4
  • xorg-x11-Xvnc >= 1.6.0-16.4
 Patchnames:
SUSE-SLE-RPI-12-SP2-2017-335
SUSE-SLE-RPI-12-SP2-2018-554
SUSE Linux Enterprise Server for SAP Applications 12 SP5
SUSE Linux Enterprise Software Development Kit 12 SP5
  • LibVNCServer-devel >= 0.9.9-17.5.1
 Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP5 GA LibVNCServer-0.9.9-17.14.1
SUSE Linux Enterprise Software Development Kit 12 SP5 GA LibVNCServer-devel-0.9.9-17.14.1
SUSE Linux Enterprise Software Development Kit 12 SP2
  • LibVNCServer-devel >= 0.9.9-17.5.1
 Patchnames:
SUSE-SLE-SDK-12-SP2-2018-554

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise High Performance Computing 12 SP5 LibVNCServer Affected
SUSE Linux Enterprise Server 12 SP5 LibVNCServer Released
SUSE Linux Enterprise Server 12 SP5-LTSS LibVNCServer Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 LibVNCServer Released
SUSE Linux Enterprise Software Development Kit 12 SP5 LibVNCServer Released
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 LibVNCServer Affected
HPE Helion OpenStack 8 tigervnc Affected
SUSE Linux Enterprise Desktop 11 SP2 LibVNCServer Affected
SUSE Linux Enterprise Desktop 11 SP2 tightvnc Not affected
SUSE Linux Enterprise Desktop 11 SP3 LibVNCServer Affected
SUSE Linux Enterprise Desktop 11 SP3 tightvnc Not affected
SUSE Linux Enterprise Desktop 11 SP4 LibVNCServer Released
SUSE Linux Enterprise Desktop 11 SP4 tightvnc Not affected
SUSE Linux Enterprise Desktop 12 LibVNCServer Affected
SUSE Linux Enterprise Desktop 12 SP1 LibVNCServer Unsupported
SUSE Linux Enterprise Desktop 12 SP1 tigervnc Released
SUSE Linux Enterprise Desktop 12 SP2 LibVNCServer Released
SUSE Linux Enterprise Desktop 12 SP2 tigervnc Released
SUSE Linux Enterprise Desktop 12 SP3 LibVNCServer Released
SUSE Linux Enterprise Desktop 12 SP3 tigervnc Affected
SUSE Linux Enterprise Desktop 12 SP4 LibVNCServer Affected
SUSE Linux Enterprise Point of Sale 11 SP3 LibVNCServer Affected
SUSE Linux Enterprise Point of Sale 11 SP3 tightvnc Not affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT LibVNCServer Affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT tigervnc Affected
SUSE Linux Enterprise Point of Service 11 SP3 LibVNCServer Released
SUSE Linux Enterprise Server 10 SP4-LTSS tightvnc Not affected
SUSE Linux Enterprise Server 11 SP1-LTSS LibVNCServer Affected
SUSE Linux Enterprise Server 11 SP1-LTSS tightvnc Not affected
SUSE Linux Enterprise Server 11 SP2 LibVNCServer Affected
SUSE Linux Enterprise Server 11 SP2 tightvnc Not affected
SUSE Linux Enterprise Server 11 SP2-LTSS LibVNCServer Affected
SUSE Linux Enterprise Server 11 SP2-LTSS tightvnc Not affected
SUSE Linux Enterprise Server 11 SP3 LibVNCServer Affected
SUSE Linux Enterprise Server 11 SP3 tightvnc Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS LibVNCServer Affected
SUSE Linux Enterprise Server 11 SP3-LTSS tightvnc Not affected
SUSE Linux Enterprise Server 11 SP4 LibVNCServer Released
SUSE Linux Enterprise Server 11 SP4 tightvnc Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS LibVNCServer Released
SUSE Linux Enterprise Server 11 SP4-LTSS LibVNCServer Released
SUSE Linux Enterprise Server 11 SP4-LTSS tightvnc Not affected
SUSE Linux Enterprise Server 12 LibVNCServer Affected
SUSE Linux Enterprise Server 12 SP1 LibVNCServer Unsupported
SUSE Linux Enterprise Server 12 SP1 tigervnc Released
SUSE Linux Enterprise Server 12 SP1-LTSS LibVNCServer Affected
SUSE Linux Enterprise Server 12 SP1-LTSS tigervnc Affected
SUSE Linux Enterprise Server 12 SP2 LibVNCServer Released
SUSE Linux Enterprise Server 12 SP2 tigervnc Released
SUSE Linux Enterprise Server 12 SP2-BCL LibVNCServer Affected
SUSE Linux Enterprise Server 12 SP2-BCL tigervnc Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS LibVNCServer Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS tigervnc Affected
SUSE Linux Enterprise Server 12 SP2-LTSS LibVNCServer Affected
SUSE Linux Enterprise Server 12 SP2-LTSS tigervnc Affected
SUSE Linux Enterprise Server 12 SP3 LibVNCServer Released
SUSE Linux Enterprise Server 12 SP3 tigervnc Affected
SUSE Linux Enterprise Server 12 SP3-BCL LibVNCServer Unsupported
SUSE Linux Enterprise Server 12 SP3-BCL tigervnc Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS LibVNCServer Unsupported
SUSE Linux Enterprise Server 12 SP3-ESPOS tigervnc Affected
SUSE Linux Enterprise Server 12 SP3-LTSS LibVNCServer Unsupported
SUSE Linux Enterprise Server 12 SP3-LTSS tigervnc Affected
SUSE Linux Enterprise Server 12 SP4 LibVNCServer Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS LibVNCServer Affected
SUSE Linux Enterprise Server 12 SP4-LTSS LibVNCServer Affected
SUSE Linux Enterprise Server 12-LTSS LibVNCServer Affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 LibVNCServer Released
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 tigervnc Released
SUSE Linux Enterprise Server for SAP Applications 11 SP2 LibVNCServer Affected
SUSE Linux Enterprise Server for SAP Applications 11 SP3 LibVNCServer Affected
SUSE Linux Enterprise Server for SAP Applications 11 SP4 LibVNCServer Released
SUSE Linux Enterprise Server for SAP Applications 12 LibVNCServer Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 LibVNCServer Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP1 tigervnc Released
SUSE Linux Enterprise Server for SAP Applications 12 SP2 LibVNCServer Released
SUSE Linux Enterprise Server for SAP Applications 12 SP2 tigervnc Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3 LibVNCServer Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3 tigervnc Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 LibVNCServer Affected
SUSE Linux Enterprise Server for the Raspberry Pi 12 SP2 LibVNCServer Released
SUSE Linux Enterprise Server for the Raspberry Pi 12 SP2 tigervnc Released
SUSE Linux Enterprise Software Development Kit 11 SP2 LibVNCServer Affected
SUSE Linux Enterprise Software Development Kit 11 SP3 LibVNCServer Affected
SUSE Linux Enterprise Software Development Kit 11 SP4 LibVNCServer Released
SUSE Linux Enterprise Software Development Kit 12 LibVNCServer Affected
SUSE Linux Enterprise Software Development Kit 12 SP1 LibVNCServer Unsupported
SUSE Linux Enterprise Software Development Kit 12 SP2 LibVNCServer Released
SUSE Linux Enterprise Software Development Kit 12 SP3 LibVNCServer Released
SUSE Linux Enterprise Software Development Kit 12 SP4 LibVNCServer Affected
SUSE OpenStack Cloud 7 LibVNCServer Affected
SUSE OpenStack Cloud 7 tigervnc Affected
SUSE OpenStack Cloud 8 LibVNCServer Affected
SUSE OpenStack Cloud 8 tigervnc Affected
SUSE OpenStack Cloud 9 LibVNCServer Affected
SUSE OpenStack Cloud Crowbar 8 LibVNCServer Affected
SUSE OpenStack Cloud Crowbar 8 tigervnc Affected
SUSE OpenStack Cloud Crowbar 9 LibVNCServer Affected
Products at an unknown state of their lifecycle.
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security LibVNCServer Affected

SUSE Timeline for this CVE

CVE page created: Sat Dec 31 21:15:12 2016
CVE page last modified: Tue Oct 8 18:13:34 2024