ZDI-CAN-9988: Advantech WebAccess/SCADA DATACORE IOCTL 0x0000521e Improper Validation of Array Index 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 0x0000521e in DATACORE.exe. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated 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-9988?
ZDI-CAN-9988 has a high severity rating due to its potential for remote code execution without authentication.
How do I fix ZDI-CAN-9988?
To mitigate ZDI-CAN-9988, apply the latest security updates provided by Advantech for WebAccess/SCADA.
What software is affected by ZDI-CAN-9988?
ZDI-CAN-9988 affects Advantech WebAccess/SCADA installations.
Can ZDI-CAN-9988 be exploited without authentication?
Yes, ZDI-CAN-9988 can be exploited by remote attackers without requiring authentication.
What type of vulnerability is ZDI-CAN-9988?
ZDI-CAN-9988 is a remote code execution vulnerability.
- agent/references
- agent/softwarecombine
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-20-598
- alias/ZDI-CAN-9988
- alias/CVE-2020-12022
- agent/software-canonical-lookup
- agent/severity
- agent/title
- agent/type
- agent/description
- agent/event
- agent/tags
- agent/source
- vendor/advantech
- canonical/advantech webaccess/scada