CVE-2023-43815 : What You Need to Know

A buffer overflow vulnerability in Delta Electronics Delta Industrial Automation DOPSoft allows an attacker to achieve remote code execution by enticing a user to open a specially crafted DPS file.

Understanding CVE-2023-43815

Delta Electronics Delta Industrial Automation DOPSoft DPS File wScreenDESCTextLen Buffer Overflow Remote Code Execution

What is CVE-2023-43815?

A buffer overflow vulnerability exists in Delta Electronics Delta Industrial Automation DOPSoft version 2 when parsing the wScreenDESCTextLen field of a DPS file. An anonymous attacker can exploit this vulnerability by enticing a user to open a specially crafted DPS file to achieve code execution.

The Impact of CVE-2023-43815

The severity of this vulnerability is rated as high with a CVSS base score of 7.1. An attacker can execute arbitrary code on the target system, potentially compromising its confidentiality, integrity, and availability.

Technical Details of CVE-2023-43815

Vulnerability Description

The vulnerability arises from improper handling of the wScreenDESCTextLen field in the DPS file, leading to a buffer overflow condition and enabling malicious actors to execute arbitrary code.

Affected Systems and Versions

The vulnerability affects Delta Electronics Delta Industrial Automation DOPSoft version 2 with versions up to 2.00.07.04.

Exploitation Mechanism

An anonymous attacker can exploit this vulnerability by tricking a user into opening a specially crafted DPS file containing malicious code, triggering the buffer overflow and gaining remote code execution capabilities.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk associated with CVE-2023-43815, users are advised to avoid opening DPS files from untrusted sources. It is recommended to apply vendor-supplied patches promptly to address this vulnerability.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security assessments, and raising awareness about potential social engineering tactics can help prevent such vulnerabilities in the long term.

Patching and Updates

Delta Electronics has released a patch to address this vulnerability. Users are strongly encouraged to update their DOPSoft software to version 2.00.07.04 or higher to safeguard against potential exploitation.