ZDI-19-991: Phoenix Contact Automationworx MWT File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Phoenix Contact Automationworx. 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 handling of MWT files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. 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-19-991?
The severity of ZDI-19-991 is significant as it allows remote code execution on vulnerable installations.
How do I fix ZDI-19-991?
To fix ZDI-19-991, users should apply security patches and updates provided by Phoenix Contact.
What systems are affected by ZDI-19-991?
ZDI-19-991 specifically affects vulnerable installations of Phoenix Contact Automationworx.
Is user interaction required to exploit ZDI-19-991?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file.
Can ZDI-19-991 lead to unauthorized access?
Yes, successful exploitation of ZDI-19-991 can lead to unauthorized access and arbitrary code execution.