CVE-2018-5195 : What You Need to Know

Hancom office Hword NEO versions 9.6.1.5183 and earlier are vulnerable to a buffer overflow issue that allows remote attackers to execute arbitrary commands through manipulated hyperlink attributes.

Understanding CVE-2018-5195

This CVE involves a critical vulnerability in Hancom office Hword NEO versions 9.6.1.5183 and earlier, potentially enabling unauthorized remote command execution.

What is CVE-2018-5195?

The vulnerability in Hancom office Hword NEO versions 9.6.1.5183 and earlier allows attackers to exploit buffer overflow, gaining the ability to run arbitrary commands remotely by tampering with hyperlink attributes within a document.

The Impact of CVE-2018-5195

The exploitation of this vulnerability could lead to severe consequences, including unauthorized access to sensitive information, system compromise, and potential data breaches.

Technical Details of CVE-2018-5195

Hancom office Hword NEO versions 9.6.1.5183 and earlier are susceptible to remote code execution due to a buffer overflow vulnerability.

Vulnerability Description

The buffer overflow vulnerability in Hancom office Hword NEO versions 9.6.1.5183 and earlier allows remote attackers to execute arbitrary commands by manipulating hyperlink attributes within a document.

Affected Systems and Versions

Product: Hancom office Hword NEO
Vendor: Hancom
Versions Affected: 9.6.1.5183 and earlier

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious hyperlinks within documents, triggering buffer overflow and executing unauthorized commands remotely.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2018-5195.

Immediate Steps to Take

Update Hancom office Hword NEO to the latest version to patch the vulnerability.
Avoid opening or interacting with suspicious documents or hyperlinks.
Implement network security measures to detect and block malicious activities.

Long-Term Security Practices

Regularly update software and applications to address security vulnerabilities promptly.
Conduct security training for users to raise awareness about phishing attacks and malicious document handling.

Patching and Updates

Apply security patches provided by Hancom promptly to fix the buffer overflow vulnerability in Hancom office Hword NEO versions 9.6.1.5183 and earlier.