CVE-2019-8268
First published: Fri Mar 01 2019(Updated: )
UltraVNC revision 1206 has multiple off-by-one vulnerabilities in VNC client code connected with improper usage of ClientConnection::ReadString function, which can potentially result code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1207.
Credit: vulnerability@kaspersky.com vulnerability@kaspersky.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| UltraVNC | <1.2.2.3 | |
| Siemens Sinumerik Access MyMachine/P2P | <4.8 | |
| Siemens Sinumerik PCU Base Win10 Software | <14.00 | |
| Siemens Sinumerik PCU Base Win7 Software/IPC | <=12.01 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-8268?
CVE-2019-8268 is considered a high-severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2019-8268?
To fix CVE-2019-8268, update UltraVNC to version 1.2.2.3 or later, and ensure all affected Siemens software is patched to the latest version.
What type of vulnerability is CVE-2019-8268?
CVE-2019-8268 is categorized as an off-by-one vulnerability affecting the VNC client code.
Can CVE-2019-8268 be exploited remotely?
Yes, CVE-2019-8268 can be exploited remotely through network connectivity.
Which software versions are affected by CVE-2019-8268?
CVE-2019-8268 affects specific versions of UltraVNC and several versions of Siemens Sinumerik software.
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- vendor/uvnc
- canonical/ultravnc
- vendor/siemens
- canonical/siemens sinumerik access mymachine/p2p
- canonical/siemens sinumerik pcu base win10 software
- canonical/siemens sinumerik pcu base win7 software/ipc
- version/siemens sinumerik pcu base win7 software/ipc/12.01