ZDI-20-619: Advantech WebAccess/SCADA BacNetDrvJ 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 BwBacNetJ 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-20-619?
The severity of ZDI-20-619 is critical due to its potential for remote code execution.
How do I fix ZDI-20-619?
To fix ZDI-20-619, ensure that you update Advantech WebAccess/SCADA to the latest patched version provided by the vendor.
Who is affected by ZDI-20-619?
Any installations of Advantech WebAccess/SCADA that utilize the BwBacNetJ device driver are vulnerable to ZDI-20-619.
What type of vulnerabilities does ZDI-20-619 exploit?
ZDI-20-619 exploits a lack of proper input validation in the BwBacNetJ device driver.
Is authentication required to exploit ZDI-20-619?
No, authentication is not required to exploit ZDI-20-619, making it even more critical to address.
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- alias/CVE-2020-12002
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- canonical/advantech webaccess/scada