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
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

21 Nov 2024, 03:21

Type Values Removed Values Added
References () 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/msg00020.html - Mailing List, Third Party Advisory
References () 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/msg00028.html - Mailing List, Third Party Advisory
References () 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/msg00033.html - Mailing List, Third Party Advisory
References () 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/msg00055.html - Mailing List, Third Party Advisory
References () http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html - Mailing List, Third Party Advisory () http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html - Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2020/06/30/3 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2020/06/30/3 - Mailing List, Third Party Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=1852356 - Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=1852356 - Issue Tracking, Third Party Advisory
References () https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf - Patch, Third Party Advisory () https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf - Patch, Third Party Advisory
References () https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433 - Patch, Third Party Advisory () https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433 - Patch, Third Party Advisory
References () 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/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/ -
References () 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/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/ -
References () https://usn.ubuntu.com/4407-1/ - Patch, Third Party Advisory () https://usn.ubuntu.com/4407-1/ - Patch, Third Party Advisory
References () https://www.openwall.com/lists/oss-security/2020/06/30/2 - Mailing List, Third Party Advisory () https://www.openwall.com/lists/oss-security/2020/06/30/2 - Mailing List, Third Party Advisory

07 Nov 2023, 02:41

Type Values Removed Values Added
References
  • {'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'}
  • {'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/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/ -
Information

Published : 2020-06-30 11:15

Updated : 2024-11-21 03:21

NVD link : CVE-2017-18922

Mitre link : CVE-2017-18922

CVE.ORG link : CVE-2017-18922

JSON object : View

Products Affected

siemens

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

canonical

  • ubuntu_linux

opensuse

  • leap

libvncserver_project

  • libvncserver

fedoraproject

  • fedora
CWE
CWE-787

Out-of-bounds Write


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