ZDI-CAN-10339: Advantech WebAccess/SCADA SyntecUA Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/SCADA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SyntecUA device driver. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Advantech WebAccess/SCADA |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-10339?
ZDI-CAN-10339 has been classified with a high severity rating due to its potential for remote code execution without authentication.
How do I fix ZDI-CAN-10339?
To mitigate ZDI-CAN-10339, update your Advantech WebAccess/SCADA installations to the latest version provided by the vendor.
Who is affected by ZDI-CAN-10339?
Any organization using Advantech WebAccess/SCADA is potentially affected by the ZDI-CAN-10339 vulnerability.
What type of vulnerability is ZDI-CAN-10339?
ZDI-CAN-10339 is a remote code execution vulnerability in the SyntecUA device driver of Advantech WebAccess/SCADA.
Is authentication required to exploit ZDI-CAN-10339?
No, authentication is not required to exploit the ZDI-CAN-10339 vulnerability.
- agent/references
- agent/softwarecombine
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- source/ZDI
- alias/ZDI-20-625
- alias/ZDI-CAN-10339
- alias/CVE-2020-12002
- agent/software-canonical-lookup
- agent/severity
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- vendor/advantech
- canonical/advantech webaccess/scada