CVE-2017-18922

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2017-18922
It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/06/30/3 Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1852356 Issue Tracking Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf Patch Third Party Advisory
https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433 Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/
https://usn.ubuntu.com/4407-1/ Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/06/30/2 Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR 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:19.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Configuration 5 (hide)

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

Configuration 6 (hide)

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

Configuration 7 (hide)

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

Configuration 8 (hide)

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

Configuration 9 (hide)

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

Configuration 10 (hide)

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

07 Nov 2023, 02:41

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'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/', 'name': 'FEDORA-2020-37112ac660', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/ -

01 Apr 2022, 18:08

Type Values Removed Values Added
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
First Time Siemens simatic Itc2200
Siemens simatic Itc2200 Pro Firmware
Siemens
Siemens simatic Itc1900 Pro
Siemens simatic Itc1500
Siemens simatic Itc1900
Siemens simatic Itc1900 Firmware
Siemens simatic Itc1900 Pro Firmware
Siemens simatic Itc1500 Pro Firmware
Siemens simatic Itc2200 Firmware
Siemens simatic Itc1500 Firmware
Siemens simatic Itc2200 Pro
Siemens simatic Itc1500 Pro
CPE cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1900:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc2200:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc1900_pro:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_itc2200_pro:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*

14 Dec 2021, 14:15

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

Published : 2020-06-30 11:15

Updated : 2023-12-10 13:27

NVD link : CVE-2017-18922

Mitre link : CVE-2017-18922

CVE.ORG link : CVE-2017-18922

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

fedoraproject

  • fedora

libvncserver_project

  • libvncserver
CWE
CWE-787

Out-of-bounds Write