ZDI-CAN-8067: Advantech WebAccess Node BwPAlarm CreateMonitoredItemEx Heap-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess Node. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the 0x11372 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of Administrator.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-8067?
The severity of ZDI-CAN-8067 is critical due to its ability to allow remote attackers to execute arbitrary code without authentication.
How do I fix ZDI-CAN-8067?
To fix ZDI-CAN-8067, update the Advantech WebAccess software to the latest patched version provided by the vendor.
What systems are affected by ZDI-CAN-8067?
ZDI-CAN-8067 affects installations of Advantech WebAccess, specifically the WebAccess/SCADA product.
Is authentication required to exploit ZDI-CAN-8067?
No, authentication is not required to exploit the vulnerability ZDI-CAN-8067, making it particularly dangerous.
What kind of attack can be executed through ZDI-CAN-8067?
ZDI-CAN-8067 allows remote attackers to execute arbitrary code on the affected system.