ZDI-21-039: Delta Industrial Automation CNCSoft ScreenEditor DPB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Industrial Automation CNCSoft ScreenEditor. 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 parsing of DPB files. 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 the current process.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-21-039?
The severity of ZDI-21-039 is categorized as critical due to the potential for remote code execution.
How do I fix ZDI-21-039?
To fix ZDI-21-039, apply the latest patch provided by Delta Industrial Automation for CNCSoft ScreenEditor.
Who is affected by ZDI-21-039?
ZDI-21-039 affects installations of CNCSoft ScreenEditor by Delta Industrial Automation.
What is the attack vector for ZDI-21-039?
The attack vector for ZDI-21-039 requires user interaction, such as visiting a malicious webpage or opening a malicious file.
What are the consequences of ZDI-21-039 if exploited?
Exploitation of ZDI-21-039 can lead to unauthorized remote code execution on affected systems.