ZDI-21-040: Delta Industrial Automation CNCSoft-B DOPSoft DPA File Parsing Untrusted Pointer Dereference 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 DPA files in the DOPSoft application. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Delta Industrial Automation CNCSoft-B DOPSoft |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-040?
The severity of ZDI-21-040 is critical due to the ability for remote code execution.
How do I fix ZDI-21-040?
To fix ZDI-21-040, apply the latest security patches provided by Delta Industrial Automation for CNCSoft-B.
What does ZDI-21-040 allow attackers to do?
ZDI-21-040 allows remote attackers to execute arbitrary code on vulnerable installations of Delta Industrial Automation CNCSoft-B.
Is user interaction needed to exploit ZDI-21-040?
Yes, user interaction is required to exploit ZDI-21-040 as the target must visit a malicious page or open a malicious file.
Which software is affected by ZDI-21-040?
ZDI-21-040 affects installations of Delta Industrial Automation CNCSoft-B.
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- alias/ZDI-21-040
- alias/ZDI-CAN-11794
- alias/CVE-2020-27289
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- canonical/delta industrial automation cncsoft-b dopsoft