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.
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:*:*:*:*:*:*:*

History

07 Nov 2023, 03:09

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/', 'name': 'FEDORA-2020-1a4b1c8271', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/ -

10 Mar 2022, 15:23

Type Values Removed Values Added
CPE cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:h:siemens:simatic_itc2200_pro:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1900:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc2200:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1900_pro:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
References (SUSE) http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html - (SUSE) http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html - Mailing List, Third Party Advisory
References (CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf - (CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf - Patch, Third Party Advisory
References (UBUNTU) https://usn.ubuntu.com/4434-1/ - (UBUNTU) https://usn.ubuntu.com/4434-1/ - Third Party Advisory
First Time Siemens simatic Itc2200
Siemens simatic Itc2200 Pro Firmware
Siemens
Siemens simatic Itc1900 Pro
Siemens simatic Itc1500
Libvnc Project
Siemens simatic Itc1900
Siemens simatic Itc2200 Pro
Canonical ubuntu Linux
Siemens simatic Itc1900 Firmware
Siemens simatic Itc1900 Pro Firmware
Siemens simatic Itc1500 Pro Firmware
Siemens simatic Itc2200 Firmware
Siemens simatic Itc1500 Firmware
Canonical
Libvnc Project libvncserver
Siemens simatic Itc1500 Pro

14 Dec 2021, 14:15

Type Values Removed Values Added
References
  • (CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf -
CWE CWE-119 CWE-787

Information

Published : 2020-06-17 16:15

Updated : 2023-12-10 13:27


NVD link : CVE-2019-20840

Mitre link : CVE-2019-20840

CVE.ORG link : CVE-2019-20840


JSON object : View

Products Affected

siemens

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

opensuse

  • leap

canonical

  • ubuntu_linux

libvnc_project

  • libvncserver

debian

  • debian_linux
CWE
CWE-787

Out-of-bounds Write