ZDI-21-446: Delta Industrial Automation CNCSoft-B DOPSoft DPA File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Industrial Automation CNCSoft-B DOPSoft. 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 DPA 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 | Affected Version | How to fix |
|---|---|---|
| CNCSoft-B |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-446?
The severity of ZDI-21-446 is rated as high due to its potential to allow remote code execution.
How do I fix ZDI-21-446?
To fix ZDI-21-446, ensure you apply the latest security patches provided by Delta Industrial Automation for CNCSoft-B DOPSoft.
What symptoms indicate exploitation of ZDI-21-446?
Symptoms of exploitation of ZDI-21-446 may include unexpected crashes, system performance issues, or unauthorized access to files.
Is user interaction required for ZDI-21-446?
Yes, user interaction is required for ZDI-21-446, as the target must visit a malicious page or open a malicious file to be exploited.
Who is affected by ZDI-21-446?
ZDI-21-446 affects installations of Delta Industrial Automation CNCSoft-B DOPSoft.
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- source/ZDI
- alias/ZDI-21-446
- alias/ZDI-CAN-12656
- alias/CVE-2021-22660
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- vendor/delta industrial automation
- canonical/cncsoft-b