ZDI-21-444: Delta Industrial Automation CNCSoft-B DOPSoft DPA 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 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 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 Software | Affected Version | How to fix |
|---|---|---|
| CNCSoft-B |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-444?
The severity of ZDI-21-444 is critical as it allows remote code execution by attackers.
How do I fix ZDI-21-444?
To fix ZDI-21-444, users should update to the latest version of Delta Industrial Automation CNCSoft-B DOPSoft that addresses this vulnerability.
Who is affected by ZDI-21-444?
ZDI-21-444 affects users of Delta Industrial Automation CNCSoft-B DOPSoft software.
What type of attack is facilitated by ZDI-21-444?
ZDI-21-444 facilitates remote code execution attacks requiring user interaction.
What must a user do to exploit ZDI-21-444?
To exploit ZDI-21-444, a user must visit a malicious webpage or open a malicious file.
- agent/references
- agent/type
- agent/title
- agent/severity
- agent/description
- agent/source
- agent/event
- agent/softwarecombine
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-444
- alias/ZDI-CAN-12418
- alias/CVE-2021-22664
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/delta industrial automation
- canonical/cncsoft-b