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CVE-2019-8262

UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution. This attack appears to be exploitable via network ...

Published: Mar 5, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-122
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
4.8%
Top 9.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

UltraVNC 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-122CWE-787

Affected Products

UltraVNCTeam UltraVNC
On-prem
Consumer Software / productivity
TelevisGoSchneider ElectricICS / OT / IoT
UltraVNCUltraVNC
On-prem
Consumer Software / productivity
ultravncuvnc
sinumerik access mymachine\/p2psiemens
On-prem
Enterprise Software / collaboration-groupware
team ultravncoss-projectConsumer Softwareaka ultravnc
schneider electriccommercialFRICS / OT / IoTaka schneider-electric
ultravnccommercialConsumer Softwareaka ultra vnc
uvncaka ultravnc, pchelpwarev2, ultravnc launcher, winvnc
siemenscommercialDEEnterprise Softwareaka siemens ag
and 2 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

https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-008-ultravnc-heap-based-buffer-overflow/
ics-cert.kaspersky.com
https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2019-225-05-TelevisGO_Security_Notification.pdf&p_Doc_Ref=SEVD-2019-225-05
download.schneider-electric.com
https://cert-portal.siemens.com/productcert/csaf/ssa-940818.json
cert-portal.siemens.com
and 27 more references View all →

Timeline

Published
Mar 5, 2019
Last Updated
Nov 21, 2024

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