CVE-2020-7814 : Exploit Details and Defense Strategies

RAONWIZ v2018.0.2.50 and earlier versions of RAON KUpload on Windows are vulnerable to remote file download and execution due to lack of file extension validation.

Understanding CVE-2020-7814

RAONWIZ v2018.0.2.50 and earlier versions of RAON KUpload on Windows are affected by a file download and execution vulnerability.

What is CVE-2020-7814?

RAONWIZ v2018.0.2.50 and earlier versions of RAON KUpload on Windows contain a vulnerability that allows remote files to be downloaded and executed by hackers due to insufficient validation of file extensions.

The Impact of CVE-2020-7814

CVSS Base Score: 7.8 (High Severity)
Attack Vector: Local
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2020-7814

RAONWIZ v2018.0.2.50 and earlier versions of RAON KUpload on Windows are susceptible to remote file download and execution.

Vulnerability Description

The vulnerability allows attackers to download and execute remote files by exploiting the lack of validation for file extensions.

Affected Systems and Versions

Affected Platform: Windows
Affected Product: RAON KUpload
Vendor: RAONWIZ
Vulnerable Version: 2018.0.2.50
Fixed Version: 2018.0.2.51

Exploitation Mechanism

Hackers can exploit this vulnerability to conduct remote code execution attacks by tricking users into downloading malicious files.

Mitigation and Prevention

Immediate Steps to Take:

Update RAON KUpload to version 2018.0.2.51 to patch the vulnerability.
Avoid downloading files from untrusted sources.
Monitor network traffic for any suspicious activities. Long-Term Security Practices:
Implement file extension validation mechanisms in software development.
Conduct regular security audits and penetration testing.
Educate users on safe file downloading practices.
Stay informed about security updates and patches.
Regularly backup critical data.

Patching and Updates

Ensure all software and systems are regularly updated with the latest security patches to prevent exploitation of known vulnerabilities.