CVE-2019-8262: Buffer Overflow

Published Mar 5, 2019
·
Updated

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 connectivity. These vulnerabilities have been fixed in revision 1204.

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 5, 2019
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
DescriptionWeakness
Data Sourced
via NVD·03:29 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2019-8262?

CVE-2019-8262 has a high severity rating due to its potential to allow code execution through heap buffer overflow vulnerabilities.

2

How do I fix CVE-2019-8262?

To fix CVE-2019-8262, update to UltraVNC revision 1204 or apply patches provided by Siemens for affected products.

3

Which versions are affected by CVE-2019-8262?

CVE-2019-8262 affects UltraVNC revision 1203 and specific versions of Siemens SIMATIC and SINAMICS products.

4

Can CVE-2019-8262 be exploited remotely?

Yes, CVE-2019-8262 is exploitable via network connectivity, making it a significant risk.

5

What type of vulnerabilities does CVE-2019-8262 involve?

CVE-2019-8262 involves multiple heap buffer overflow vulnerabilities in the VNC client code.

Contact

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