CVE-2020-7850 : What You Need to Know

NBBDownloader.ocx ActiveX Control in Groupware by DOUZONE ICT GROUP contains a vulnerability that allows remote files to be downloaded and executed by manipulating the activex method arguments. This could lead to malicious code execution when a user accesses a crafted web page.

Understanding CVE-2020-7850

What is CVE-2020-7850?

CVE-2020-7850 is a vulnerability in the NBBDownloader.ocx ActiveX Control in Groupware that enables remote file download and execution through activex method argument manipulation.

The Impact of CVE-2020-7850

The vulnerability has a CVSS base score of 7.8, indicating a high severity issue with significant impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2020-7850

Vulnerability Description

The vulnerability in NBBDownloader.ocx ActiveX Control allows remote attackers to download and execute files by exploiting the activex method arguments.

Affected Systems and Versions

Affected Platforms: x86, x64
Affected Product: NBBDownloader.ocx
Vendor: DOUZONE ICT GROUP
Vulnerable Version: 1.0.0.12 and below
Patched Version: 1.0.0.13 (custom version)

Exploitation Mechanism

The vulnerability can be exploited by inducing a user to visit a specially crafted web page, triggering the download and execution of malicious files.

Mitigation and Prevention

Immediate Steps to Take

Update NBBDownloader.ocx ActiveX Control to version 1.0.0.13 or higher to mitigate the vulnerability.

Long-Term Security Practices

Regularly update and patch software to address security flaws.
Educate users about safe browsing practices to prevent exposure to malicious websites.
Implement network security measures to detect and block malicious activities.

Patching and Updates

Apply security patches and updates provided by the vendor to ensure the latest protections against known vulnerabilities.