CVE-2019-8275: Critical severity ultravnc vulnerability

Published Mar 1, 2019
·
Updated

UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.

Affected Software

16 affected componentsFixes available
Uvnc Ultravnc<1.2.2.3
Siemens Sinumerik Access Mymachine\/p2p<4.8
Siemens Sinumerik Pcu Base Win10 Software\/ipc<14.00
Siemens Sinumerik Pcu Base Win7 Software\/ipc<=12.01
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-2019-8275?

CVE-2019-8275 is classified as a high severity vulnerability due to the potential for attackers to exploit it remotely.

2

How do I fix CVE-2019-8275?

To fix CVE-2019-8275, update to UltraVNC revision 1212 or a later version.

3

What are the affected versions for CVE-2019-8275?

CVE-2019-8275 affects UltraVNC versions up to 1.2.2.3 and several Siemens products including various SIMATIC and SINAMICS systems.

4

Can CVE-2019-8275 be exploited remotely?

Yes, CVE-2019-8275 can be exploited remotely due to improper null termination vulnerabilities.

5

What type of vulnerability is CVE-2019-8275?

CVE-2019-8275 is characterized by multiple improper null termination vulnerabilities leading to out-of-bounds data access.

Contact

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