CVE-2019-20840

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.
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Configurations

Configuration 1 (hide)

cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1900:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1900_pro:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc2200:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc2200_pro:-:*:*:*:*:*:*:*

Configuration 10 (hide)

cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Information

Published : 2020-06-17 09:15

Updated : 2022-03-10 07:23


NVD link : CVE-2019-20840

Mitre link : CVE-2019-20840


JSON object : View

CWE
CWE-787

Out-of-bounds Write

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Products Affected

libvnc_project

  • libvncserver

siemens

  • simatic_itc2200_pro
  • simatic_itc1900_pro
  • simatic_itc2200_pro_firmware
  • simatic_itc2200
  • simatic_itc1500_firmware
  • simatic_itc1500
  • simatic_itc1500_pro
  • simatic_itc1900_firmware
  • simatic_itc2200_firmware
  • simatic_itc1500_pro_firmware
  • simatic_itc1900
  • simatic_itc1900_pro_firmware

canonical

  • ubuntu_linux

opensuse

  • leap

debian

  • debian_linux