ZDI-21-031: Delta Industrial Automation CNCSoft-B DOPSoft XLS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Industrial Automation CNCSoft-B. 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 XLS files by the DOPSoft program. The issue results from the lack of proper validation of user-supplied data, which can result in a write before the start of an allocated data structure. 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-21-031?
The severity of ZDI-21-031 is critical due to its potential for remote code execution.
How do I fix ZDI-21-031?
To fix ZDI-21-031, apply the latest patches provided by Delta Industrial Automation for CNCSoft-B.
What are the implications of ZDI-21-031?
The implications of ZDI-21-031 include unauthorized remote code execution, which can compromise system integrity.
Who is affected by ZDI-21-031?
ZDI-21-031 affects installations of Delta Industrial Automation CNCSoft-B software.
What is required to exploit ZDI-21-031?
Exploitation of ZDI-21-031 requires user interaction, such as visiting a malicious page or opening a malicious file.