ZDI-20-599: 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-20-599?
The severity of ZDI-20-599 is classified as critical due to the potential for remote code execution without authentication.
How do I fix ZDI-20-599?
To fix ZDI-20-599, users should apply the latest security updates provided by Advantech for WebAccess/SCADA software.
What types of systems are impacted by ZDI-20-599?
ZDI-20-599 impacts installations of Advantech WebAccess/SCADA software.
Can ZDI-20-599 be exploited remotely?
Yes, ZDI-20-599 can be exploited remotely by attackers without the need for authentication.
What kind of attack can ZDI-20-599 enable?
ZDI-20-599 enables attackers to execute arbitrary code on the affected systems.
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