ZDI-21-043: 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 in the DOPSoft application. The issue results from the lack of proper validation of user-supplied data, which can result in a write after the end of an allocated data structure. 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 |
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-21-043?
The severity of ZDI-21-043 is high due to its potential for remote code execution.
How do I fix ZDI-21-043?
To fix ZDI-21-043, users should apply the latest security updates provided by Delta Industrial Automation.
What kind of attacks can be executed due to ZDI-21-043?
ZDI-21-043 allows remote attackers to execute arbitrary code on affected systems.
Is user interaction required to exploit ZDI-21-043?
Yes, user interaction is required for ZDI-21-043, as the user must visit a malicious page or open a malicious file.
Which software is affected by ZDI-21-043?
ZDI-21-043 affects Delta Industrial Automation CNCSoft-B installations.
- agent/references
- agent/type
- agent/softwarecombine
- agent/severity
- agent/title
- agent/description
- agent/source
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-043
- alias/ZDI-CAN-11824
- alias/CVE-2020-27287
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/event
- vendor/delta industrial automation
- canonical/delta industrial automation cncsoft-b dopsoft