CVE-2020-16215: Advantech WebAccess IOCTL 0x2711 BwPFile Stack-based Buffer Overflow Remote Code Execution Vulnerability
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.
Other sources
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.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-16215.
What is the severity of CVE-2020-16215?
The severity of CVE-2020-16215 is critical, with a severity value of 9.8.
Which software is affected by CVE-2020-16215?
Advantech WebAccess versions up to 2.1.9.31 and HMI Designer are affected by CVE-2020-16215.
What is the issue with BwPFile.exe?
The issue is a stack-based buffer overflow in BwPFile.exe when invoked via IOCTL 0x2711.
Is authentication required to exploit CVE-2020-16215?
No, authentication is not required to exploit CVE-2020-16215.