ZDI-20-592: Advantech WebAccess/SCADA DATACORE IOCTL 0x00005227 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 implementation of IOCTL 0x00005227 in DATACORE.exe. 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-20-592?
The severity of ZDI-20-592 is critical due to the ability of remote attackers to execute arbitrary code without authentication.
How do I fix ZDI-20-592?
To mitigate the risks associated with ZDI-20-592, users should update to the latest version of Advantech WebAccess/SCADA where applicable.
What systems are affected by ZDI-20-592?
ZDI-20-592 affects installations of Advantech WebAccess/SCADA that have the vulnerable DATACORE.exe.
Is authentication required to exploit ZDI-20-592?
No, authentication is not required to exploit ZDI-20-592.
What type of vulnerability is ZDI-20-592 classified as?
ZDI-20-592 is classified as a remote code execution vulnerability.
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