CVE-2019-10947: Delta Industrial Automation CNCSoft ScreenEditor DPB File Parsing wMessageLen Stack-based Buffer Overflow Remote Code Execution Vulnerability

Published Apr 17, 2019
·
Updated

Delta Industrial Automation CNCSoft, CNCSoft ScreenEditor Version 1.00.88 and prior. Multiple stack-based buffer overflow vulnerabilities may be exploited by processing specially crafted project files, allowing an attacker to remotely execute arbitrary code. This may occur because CNCSoft lacks user input validation before copying data from project files onto the stack.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Delta Industrial Automation CNCSoft ScreenEditor. 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 handling of DPB files. When parsing the PanelName element, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the Administrator.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Delta Industrial Automation CNCSoft ScreenEditor. 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 handling of DPB files. When parsing the wFontTextLen element, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the Administrator.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Delta Industrial Automation CNCSoft ScreenEditor. 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 handling of DPB files. When parsing the wKPFStringLen element, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the Administrator.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Delta Industrial Automation CNCSoft ScreenEditor. 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 handling of DPB files. When parsing the wMessageLen element, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the Administrator.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Delta Industrial Automation CNCSoft ScreenEditor. 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 handling of DPB files. When parsing the wTextLen element, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the Administrator.

Affected Software

3 affected components
Delta Industrial Automation CNCSoft ScreenEditor
Delta Industrial Automation CNCSoft
Deltaww Cncsoft Screeneditor<=1.00.88

Event History

Apr 17, 2019
CVE Published
via MITRE·02:04 PM
Data Sourced
via MITRE·02:04 PM
DescriptionWeakness
Feb 21, 2025
Advisory Published
via ZDI·11:29 PM
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Frequently Asked Questions

1

What is the vulnerability ID for this Delta Industrial Automation CNCSoft ScreenEditor vulnerability?

The vulnerability ID for this Delta Industrial Automation CNCSoft ScreenEditor vulnerability is CVE-2019-10947.

2

How severe is the Delta Industrial Automation CNCSoft ScreenEditor vulnerability (CVE-2019-10947)?

The severity of the Delta Industrial Automation CNCSoft ScreenEditor vulnerability (CVE-2019-10947) is 7.8 (high).

3

How can remote attackers exploit the Delta Industrial Automation CNCSoft ScreenEditor vulnerability (CVE-2019-10947)?

Remote attackers can exploit the Delta Industrial Automation CNCSoft ScreenEditor vulnerability (CVE-2019-10947) by executing arbitrary code on vulnerable installations if the target visits a malicious page or opens a malicious file.

4

What is the affected software by the Delta Industrial Automation CNCSoft ScreenEditor vulnerability (CVE-2019-10947)?

The affected software by the Delta Industrial Automation CNCSoft ScreenEditor vulnerability (CVE-2019-10947) includes Delta Industrial Automation CNCSoft ScreenEditor versions up to 1.00.88.

5

Where can I find more information about the Delta Industrial Automation CNCSoft ScreenEditor vulnerability (CVE-2019-10947)?

You can find more information about the Delta Industrial Automation CNCSoft ScreenEditor vulnerability (CVE-2019-10947) at the following references: [SecurityFocus](http://www.securityfocus.com/bid/107989), [ICSA](https://ics-cert.us-cert.gov/advisories/ICSA-19-106-01), [ZDI](https://www.zerodayinitiative.com/advisories/ZDI-19-399/).

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