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CVE-2019-8274

UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer offer handler, which can potentially in result code execution. This attack appears to be expl...

Published: Mar 9, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-122
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
8.3%
Top 5.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.

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
UltraVNCKaspersky Lab
Mixed
Security Products / endpoint-av-edr
ultravncuvnc
sinumerik access mymachine\/p2psiemens
On-prem
Enterprise Software / collaboration-groupware
team ultravncoss-projectConsumer Softwareaka ultravnc
schneider electriccommercialFRICS / OT / IoTaka schneider-electric
kaspersky labcommercialRUSecurity Productsaka kaspersky anti-virus, ultravnc, kaspersky internet security
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://nvd.nist.gov/vuln/detail/CVE-2019-8274
nvd.nist.gov
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-021-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
and 12 more references View all →

Timeline

Published
Mar 9, 2019
Last Updated
Nov 21, 2024

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