ZDI-22-1455: (Pwn2Own) Kepware KEPServerEX Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of text encoding conversions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-22-1455?
The severity of ZDI-22-1455 is critical due to its potential for remote code execution without authentication.
How do I fix ZDI-22-1455?
To fix ZDI-22-1455, update your Kepware KEPServerEX to the latest version that addresses this vulnerability.
Who is affected by ZDI-22-1455?
ZDI-22-1455 affects installations of Kepware KEPServerEX that handle text encoding conversions.
What type of vulnerability is ZDI-22-1455?
ZDI-22-1455 is a remote code execution vulnerability that allows attackers to execute arbitrary code.
Is authentication required to exploit ZDI-22-1455?
No, authentication is not required to exploit the ZDI-22-1455 vulnerability.