7.8
Advisory Published

ZDI-21-030: 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 past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected SoftwareAffected VersionHow to fix
Delta Industrial Automation CNCSoft-B DOPSoft

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Frequently Asked Questions

  • What is the severity of ZDI-21-030?

    The severity of ZDI-21-030 is high due to its potential for remote code execution by attackers.

  • How do I fix ZDI-21-030?

    To fix ZDI-21-030, update the Delta Industrial Automation CNCSoft-B software to the latest version provided by the vendor.

  • What type of attack does ZDI-21-030 involve?

    ZDI-21-030 involves remote code execution attacks requiring user interaction with a malicious page or file.

  • Which software is affected by ZDI-21-030?

    The software affected by ZDI-21-030 is Delta Industrial Automation CNCSoft-B.

  • Is user interaction required to exploit ZDI-21-030?

    Yes, user interaction is required for exploiting ZDI-21-030, as the target must visit a malicious page or open a malicious file.

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