CVE-2020-0694 : Exploit Details and Defense Strategies

A cross-site-scripting (XSS) vulnerability has been identified in Microsoft SharePoint Server that could be exploited by attackers to execute malicious scripts on the affected system.

Understanding CVE-2020-0694

This CVE refers to a security flaw in Microsoft SharePoint Server that allows for cross-site scripting attacks.

What is CVE-2020-0694?

CVE-2020-0694 is a cross-site-scripting (XSS) vulnerability in Microsoft SharePoint Server.

The Impact of CVE-2020-0694

The vulnerability could potentially allow an attacker to execute malicious scripts in the context of the user's browser, leading to unauthorized actions or data theft.

Technical Details of CVE-2020-0694

This section covers technical aspects of the vulnerability.

Vulnerability Description

The issue arises due to Microsoft SharePoint Server's failure to properly sanitize specific web requests, enabling the injection of malicious scripts.

Affected Systems and Versions

Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft SharePoint Server 2013 Service Pack 1

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted web requests to the affected SharePoint servers, injecting and executing malicious scripts.

Mitigation and Prevention

Actions to mitigate the risks associated with CVE-2020-0694.

Immediate Steps to Take

Apply the relevant security patches provided by Microsoft promptly.
Monitor and restrict access to the SharePoint server to known entities.

Long-Term Security Practices

Implement strict input validation to prevent XSS attacks.
Regularly update and maintain the security configurations of SharePoint servers.

Patching and Updates

Regularly check for and apply updates and security patches issued by Microsoft for SharePoint Server.