CVE-2020-7873 : Security Advisory and Response

A vulnerability in the ActiveX control of Younglimwon Co., Ltd could allow an attacker to download and execute arbitrary files.

Understanding CVE-2020-7873

This CVE involves a code download vulnerability in the ActiveX control of Younglimwon Co., Ltd.

What is CVE-2020-7873?

The vulnerability allows attackers to download and execute files without integrity checks.

The Impact of CVE-2020-7873

The vulnerability has a CVSS base score of 8.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2020-7873

The technical aspects of the CVE.

Vulnerability Description

The vulnerability enables arbitrary file download and execution due to a lack of integrity checks in the ActiveX control.

Affected Systems and Versions

Affected Platforms: Windows
Affected Product: K-System WellComm
Affected Versions: 1.1, 4.0

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Availability Impact: High
Confidentiality Impact: High
Integrity Impact: High

Mitigation and Prevention

Measures to address the CVE.

Immediate Steps to Take

Disable the ActiveX control in question if not essential for operations.
Implement network-level controls to restrict ActiveX usage.
Regularly monitor and analyze network traffic for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Keep software and systems updated with the latest security patches.
Educate users on safe browsing practices and potential risks associated with ActiveX controls.

Patching and Updates

Apply patches or updates provided by Younglimwon Co., Ltd to address the vulnerability.