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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 ...

Published: Jun 30, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-787
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
2.3%
Top 19.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Multiple LibVNC vulnerabilities in the affected products listed below could allow remote code execution, information disclosure and Denial-of-Service attacks under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest versions.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
OpenSUSE LeapNovell Inc.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
FedoraFedora Project
On-premOS
Operating Systems / linux-distro
red hat inc.commercialUSOperating Systemsaka red hat
canonical ltd.commercialGBOperating Systemsaka canonical
novell inc.commercialUSOperating Systems
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
fedora projectoss-projectUSOperating Systemsaka fedora
and 12 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
lists.opensuse.org
and 46 more references View all →

Timeline

Published
Jun 30, 2020
Last Updated
Nov 21, 2024

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