ZDI-20-954: Advantech WebAccess/HMI Designer PM3 File Parsing Type Confusion Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/HMI Designer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PM3 files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-20-954?
The severity of ZDI-20-954 is critical due to the potential for remote code execution.
How do I fix ZDI-20-954?
To fix ZDI-20-954, update Advantech WebAccess/HMI Designer to the latest version provided by Advantech.
Who is affected by ZDI-20-954?
ZDI-20-954 affects installations of Advantech WebAccess/HMI Designer.
What type of attacks can exploit ZDI-20-954?
ZDI-20-954 can be exploited through malicious web pages or files that require user interaction.
Is user interaction required to exploit ZDI-20-954?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file.