Upstream information

CVE-2014-6052 at MITRE

Description

The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.5
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
SUSE Bugzilla entry: 897031 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 11 SP3
  • LibVNCServer >= 0.9.1-156.1
Patchnames:
sledsp3-libvncserver-12227
SUSE Linux Enterprise Desktop 11 SP4
  • LibVNCServer >= 0.9.1-156.1
Patchnames:
sledsp4-libvncserver-12227
SUSE Linux Enterprise Desktop 12
  • LibVNCServer >= 0.9.9-16.1
  • libvncclient0 >= 0.9.9-16.1
  • libvncserver0 >= 0.9.9-16.1
Patchnames:
SUSE-SLE-DESKTOP-12-2015-890
SUSE Linux Enterprise Server 11 SP3
  • LibVNCServer >= 0.9.1-156.1
Patchnames:
slessp3-libvncserver-12227
SUSE Linux Enterprise Server 11 SP4
  • LibVNCServer >= 0.9.1-156.1
Patchnames:
slessp4-libvncserver-12227
SUSE Linux Enterprise Server 12
  • LibVNCServer >= 0.9.9-16.1
  • libvncclient0 >= 0.9.9-16.1
  • libvncserver0 >= 0.9.9-16.1
Patchnames:
SUSE-SLE-SERVER-12-2015-890
SUSE Linux Enterprise Server 12 SP1
  • LibVNCServer >= 0.9.9-16.1
  • libvncclient0 >= 0.9.9-16.1
  • libvncserver0 >= 0.9.9-16.1
Patchnames:
SUSE-SLE-SERVER-12-SP1-2015-890
SUSE Linux Enterprise Server 12 SP2
  • libvncclient0 >= 0.9.9-16.1
  • libvncserver0 >= 0.9.9-16.1
Patchnames:
SUSE Linux Enterprise Server 12 SP2 GA libvncclient0
SUSE Linux Enterprise Server 12 SP3
  • libvncclient0 >= 0.9.9-16.1
  • libvncserver0 >= 0.9.9-16.1
Patchnames:
SUSE Linux Enterprise Server 12 SP3 GA libvncclient0
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2
  • libvncclient0 >= 0.9.9-16.1
  • libvncserver0 >= 0.9.9-16.1
Patchnames:
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 GA libvncclient0
SUSE Linux Enterprise Server for SAP Applications 11 SP3
  • LibVNCServer >= 0.9.1-156.1
Patchnames:
slessp3-libvncserver-12227
SUSE Linux Enterprise Server for SAP Applications 11 SP4
  • LibVNCServer >= 0.9.1-156.1
Patchnames:
slessp4-libvncserver-12227
SUSE Linux Enterprise Server for SAP Applications 12
  • LibVNCServer >= 0.9.9-16.1
  • libvncclient0 >= 0.9.9-16.1
  • libvncserver0 >= 0.9.9-16.1
Patchnames:
SUSE-SLE-SERVER-12-2015-890
SUSE Linux Enterprise Server for SAP Applications 12 SP1
  • LibVNCServer >= 0.9.9-16.1
  • libvncclient0 >= 0.9.9-16.1
  • libvncserver0 >= 0.9.9-16.1
Patchnames:
SUSE-SLE-SERVER-12-SP1-2015-890
SUSE Linux Enterprise Server for VMWare 11 SP3
  • LibVNCServer >= 0.9.1-156.1
Patchnames:
slessp3-libvncserver-12227
SUSE Linux Enterprise Software Development Kit 11 SP3
  • LibVNCServer >= 0.9.1-156.1
  • LibVNCServer-devel >= 0.9.1-156.1
Patchnames:
sdksp3-libvncserver-12227
SUSE Linux Enterprise Software Development Kit 11 SP4
  • LibVNCServer >= 0.9.1-156.1
  • LibVNCServer-devel >= 0.9.1-156.1
Patchnames:
sdksp4-libvncserver-12227
SUSE Linux Enterprise Software Development Kit 12
  • LibVNCServer >= 0.9.9-16.1
  • LibVNCServer-devel >= 0.9.9-16.1
Patchnames:
SUSE-SLE-SDK-12-2015-890
SUSE Linux Enterprise Software Development Kit 12 SP1
  • LibVNCServer >= 0.9.9-16.1
  • LibVNCServer-devel >= 0.9.9-16.1
Patchnames:
SUSE-SLE-SDK-12-SP1-2015-890
SUSE Linux Enterprise Software Development Kit 12 SP2
  • LibVNCServer-devel >= 0.9.9-16.1
Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP2 GA LibVNCServer-devel
SUSE Linux Enterprise Software Development Kit 12 SP3
  • LibVNCServer-devel >= 0.9.9-16.1
Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP3 GA LibVNCServer-devel
openSUSE Leap 42.1
  • LibVNCServer >= 0.9.9-13.1
  • LibVNCServer-debugsource >= 0.9.9-13.1
  • LibVNCServer-devel >= 0.9.9-13.1
  • libvncclient0 >= 0.9.9-13.1
  • libvncclient0-debuginfo >= 0.9.9-13.1
  • libvncserver0 >= 0.9.9-13.1
  • libvncserver0-debuginfo >= 0.9.9-13.1
  • linuxvnc >= 0.9.9-13.1
  • linuxvnc-debuginfo >= 0.9.9-13.1
Patchnames:
openSUSE-2015-851
openSUSE Leap 42.2
  • LibVNCServer-devel >= 0.9.9-13.4
  • libvncclient0 >= 0.9.9-13.4
  • libvncserver0 >= 0.9.9-13.4
Patchnames:
openSUSE Leap 42.2 GA LibVNCServer-devel
openSUSE Leap 42.3
  • LibVNCServer-devel >= 0.9.9-15.4
  • libvncclient0 >= 0.9.9-15.4
  • libvncserver0 >= 0.9.9-15.4
Patchnames:
openSUSE Leap 42.3 GA LibVNCServer-devel


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.

Product(s) Source package State
SUSE Linux Enterprise Desktop 11 SP2 LibVNCServer Released
SUSE Linux Enterprise Desktop 11 SP3 LibVNCServer Released
SUSE Linux Enterprise Desktop 11 SP4 LibVNCServer Released
SUSE Linux Enterprise Desktop 12 GA LibVNCServer Released
SUSE Linux Enterprise SDK 11 SP2 LibVNCServer Released
SUSE Linux Enterprise SDK 11 SP3 LibVNCServer Released
SUSE Linux Enterprise SDK 11 SP4 LibVNCServer Released
SUSE Linux Enterprise SDK 12 GA LibVNCServer Released
SUSE Linux Enterprise SDK 12 SP1 LibVNCServer Released
SUSE Linux Enterprise Server 11 SP1 LTSS LibVNCServer Released
SUSE Linux Enterprise Server 11 SP2 LibVNCServer Released
SUSE Linux Enterprise Server 11 SP2 LTSS LibVNCServer Released
SUSE Linux Enterprise Server 11 SP3 LibVNCServer Released
SUSE Linux Enterprise Server 11 SP4 LibVNCServer Released
SUSE Linux Enterprise Server 12 GA LibVNCServer Released
SUSE Linux Enterprise Server 12 SP1 LibVNCServer Released
SUSE Linux Enterprise Server for SAP Applications 11 SP2 LibVNCServer Released
SUSE Linux Enterprise Server for VMWare 11 SP2 LibVNCServer Released
SUSE Linux Enterprise Server for VMWare 11 SP3 LibVNCServer Released