ZDI-CAN-10338: Advantech WebAccess/SCADA OPCUA 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 OPCUA 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-CAN-10338?
The vulnerability ZDI-CAN-10338 is considered critical due to its potential for remote code execution without authentication.
How do I fix ZDI-CAN-10338?
To fix ZDI-CAN-10338, update to the latest version of Advantech WebAccess/SCADA that addresses this vulnerability.
Who is affected by ZDI-CAN-10338?
ZDI-CAN-10338 affects installations of Advantech WebAccess/SCADA that utilize the OPCUA device driver.
Can ZDI-CAN-10338 be exploited remotely?
Yes, ZDI-CAN-10338 can be exploited remotely by attackers without the need for authentication.
What type of vulnerability is ZDI-CAN-10338?
ZDI-CAN-10338 is identified as a remote code execution vulnerability.
- agent/references
- agent/softwarecombine
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-20-624
- alias/ZDI-CAN-10338
- alias/CVE-2020-12002
- agent/software-canonical-lookup
- agent/severity
- agent/title
- agent/type
- agent/description
- agent/event
- agent/tags
- agent/source
- vendor/advantech
- canonical/advantech webaccess/scada