CVE-2020-27277: Delta Industrial Automation DOPSoft XLS File Parsing Untrusted Pointer Dereference Remote Code Execution Vulnerability
Delta Electronics DOPSoft Version 4.0.8.21 and prior has a null pointer dereference issue while processing project files, which may allow an attacker to execute arbitrary code.
Other sources
This vulnerability allows remote atackers to execute arbitrary code on affected installations of Delta Industrial Automation 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 XLS files. 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.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-27277?
CVE-2020-27277 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Delta Industrial Automation DOPSoft.
How severe is CVE-2020-27277?
CVE-2020-27277 has a severity rating of 7.8 (critical).
How does CVE-2020-27277 affect Delta Industrial Automation DOPSoft?
CVE-2020-27277 affects Delta Industrial Automation DOPSoft versions up to and including 4.0.8.21.
What is the CWE ID for CVE-2020-27277?
CVE-2020-27277 has two CWE IDs: CWE-476 (NULL Pointer Dereference) and CWE-822 (Untrusted Pointer Dereference).
How can I fix CVE-2020-27277?
To fix CVE-2020-27277, it is recommended to update Delta Industrial Automation DOPSoft to a version beyond 4.0.8.21.