CVE-2018-10621 Explained : Impact and Mitigation

Delta Industrial Automation DOPSoft version 4.00.04 and earlier versions by Delta Electronics are susceptible to a stack-based buffer overflow vulnerability. This flaw allows for remote code execution or application crashes.

Understanding CVE-2018-10621

This CVE involves a specific vulnerability in Delta Industrial Automation DOPSoft versions.

What is CVE-2018-10621?

The vulnerability in Delta Industrial Automation DOPSoft versions 4.00.04 and prior stems from a fixed-size stack buffer. When a value larger than the buffer is read from a .dpa file into the buffer, it leads to buffer overwriting, potentially resulting in remote code execution or application crashes.

The Impact of CVE-2018-10621

The exploitation of this vulnerability can have severe consequences:

Remote code execution on affected systems
Application crashes that can disrupt operations

Technical Details of CVE-2018-10621

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from a fixed-size stack buffer in Delta Industrial Automation DOPSoft versions, allowing buffer overwriting when reading values larger than the buffer from a .dpa file.

Affected Systems and Versions

Product: Delta Industrial Automation DOPSoft
Vendor: Delta Electronics
Vulnerable Versions: Version 4.00.04 and earlier

Exploitation Mechanism

The vulnerability can be exploited by injecting specially crafted values into a .dpa file, triggering the buffer overflow and potentially executing malicious code.

Mitigation and Prevention

Protecting systems from CVE-2018-10621 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Delta Industrial Automation DOPSoft to a patched version that addresses the buffer overflow vulnerability
Implement network segmentation to limit exposure of vulnerable systems

Long-Term Security Practices

Regularly monitor and update software to patch known vulnerabilities
Conduct security assessments and penetration testing to identify and mitigate potential risks

Patching and Updates

Apply security patches provided by Delta Electronics promptly to mitigate the vulnerability
Stay informed about security advisories and updates from trusted sources to maintain a secure environment