ZDI-CAN-9994: Advantech WebAccess/SCADA DATACORE IOCTL 0x0000791c Heap-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 0x0000791c 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 heap-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-9994?
The severity of ZDI-CAN-9994 is critical due to its potential for remote code execution without authentication.
How do I fix ZDI-CAN-9994?
To fix ZDI-CAN-9994, you should update your installation of Advantech WebAccess/SCADA to the latest version that includes the patch.
Who is affected by ZDI-CAN-9994?
ZDI-CAN-9994 affects all installations of Advantech WebAccess/SCADA that have not been patched.
What kind of attacks can exploit ZDI-CAN-9994?
ZDI-CAN-9994 can be exploited by remote attackers to execute arbitrary code, potentially leading to complete system compromise.
Is authentication required to exploit ZDI-CAN-9994?
No, authentication is not required to exploit the vulnerability identified as ZDI-CAN-9994.
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