var-202008-1237
Vulnerability from variot

Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Processing specially crafted project files lacking proper validation of user supplied data may cause a stack-based buffer overflow, which may allow remote code execution, disclosure/modification of information, or cause the application to crash. WebAccess HMI Designer Is Advantech Company Provides Human Machine Interface (HMI) Development software. WebAccess HMI Designer The following multiple vulnerabilities exist in. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess. Authentication is not required to exploit this vulnerability.The specific flaw exists within BwPFile.exe when invoked via IOCTL 0x2711. 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. The product has functions such as data transmission, menu editing and text editing.

There is a buffer overflow vulnerability in Advantech WebAccess HMI Designer 2.1.9.31 and earlier versions, which is caused by the program's failure to correctly verify the data submitted by the user

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