CVE-2019-8264: Critical severity ultravnc vulnerability

Published Mar 1, 2019
·
Updated

UltraVNC revision 1203 has out-of-bounds access vulnerability in VNC client inside Ultra2 decoder, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1204.

Affected Software

13 affected componentsFixes available
Uvnc Ultravnc<1.2.2.3
Siemens SIMATIC HMI Comfort Outdoor Panels 7’ and 15’ (incl. SIPLUS variants) Update 4<16
16
Siemens SIMATIC HMI Comfort Panels 4’to 22’ (incl. SIPLUS variants) Update 4<16
16
Siemens SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900, and KTP900F Update 4<16
16
Siemens SIMATIC WinCC Runtime Advanced Update 4<16
16
Siemens SINAMICS GH150
Siemens SINAMICS GL150 (with option X30)
Siemens SINAMICS GM150 (with option X30)
Siemens SINAMICS SH150
Siemens SINAMICS SL150
Siemens SINAMICS SM120
Siemens SINAMICS SM150
Siemens SINAMICS SM150i

Event History

Mar 8, 2019
CVE Published
11:29 PM
Data Sourced
via NVD·11:29 PM
DescriptionSeverityWeaknessAffected Software
Mar 9, 2019
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2019-8264?

CVE-2019-8264 has been classified with a high severity due to its potential for remote code execution.

2

How do I fix CVE-2019-8264?

To mitigate CVE-2019-8264, update UltraVNC to revision 1204 or later.

3

What products are affected by CVE-2019-8264?

CVE-2019-8264 affects several Siemens SINAMICS products and UltraVNC versions up to 1.2.2.3.

4

Can CVE-2019-8264 be exploited remotely?

Yes, CVE-2019-8264 can be exploited remotely through network connectivity.

5

What coding issue does CVE-2019-8264 involve?

CVE-2019-8264 involves an out-of-bounds access vulnerability in the VNC client inside the Ultra2 decoder.

Company

Resources

Contact

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