CVE-2020-0647 : Vulnerability Insights and Analysis

A spoofing vulnerability in Office Online Server by Microsoft allows attackers to bypass origin validation in cross-origin communications.

Understanding CVE-2020-0647

This CVE identifies a spoofing vulnerability impacting Office Online Server by Microsoft.

What is CVE-2020-0647?

This vulnerability arises from a lack of proper validation of the origin during cross-origin communications in Office Online, enabling spoofing attacks.

The Impact of CVE-2020-0647

The vulnerability can be exploited by attackers to conduct spoofing attacks, potentially leading to unauthorized access or deception of users into providing sensitive information.

Technical Details of CVE-2020-0647

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The issue stems from Office Online's failure to validate origin correctly in cross-origin communications, creating a spoofing risk.

Affected Systems and Versions

Product: Office Online Server
Vendor: Microsoft
Versions: Unspecified

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating cross-origin communications in Office Online to impersonate a trusted source, deceiving users.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2020-0647.

Immediate Steps to Take

Apply patches or updates provided by Microsoft promptly.
Implement network segmentation and access controls to limit exposure.
Monitor network traffic for suspicious activity targeting cross-origin communications.

Long-Term Security Practices

Regularly update Office Online Server to the latest versions.
Educate users on recognizing and avoiding spoofing attempts.

Patching and Updates

Microsoft may release security patches addressing this vulnerability. Stay informed and apply updates to mitigate the risk of exploitation.