CVE-2020-27287: Delta Industrial Automation CNCSoft-B DOPSoft XLS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Delta Electronics CNCSoft-B Versions 1.0.0.2 and prior is vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.
Other sources
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 by the DOPSoft program. The issue results from the lack of proper validation of user-supplied data, which can result in a write before the start of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
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 by the DOPSoft program. 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.
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.
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 before the start of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-27287?
CVE-2020-27287 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Delta Industrial Automation CNCSoft-B.
How can this vulnerability be exploited?
To exploit this vulnerability, the target must visit a malicious page or open a malicious file.
What is the severity of CVE-2020-27287?
The severity of CVE-2020-27287 is high with a CVSS score of 7.8.
Which software versions are affected by CVE-2020-27287?
The vulnerability affects Delta Industrial Automation CNCSoft-B version 1.0.0.2.
How can I fix CVE-2020-27287?
Delta Industrial Automation has not released a patch for this vulnerability at the moment. It is recommended to avoid visiting untrusted websites or opening suspicious files.