CVE-2019-1070 : What You Need to Know

Microsoft SharePoint Server is vulnerable to a cross-site scripting (XSS) issue, potentially allowing attackers to execute malicious scripts on the user's browser.

Understanding CVE-2019-1070

This CVE identifies a specific vulnerability in Microsoft SharePoint Server that could lead to a spoofing attack.

What is CVE-2019-1070?

A cross-site scripting (XSS) vulnerability in Microsoft SharePoint Server allows attackers to inject malicious scripts into web pages viewed by users.

The Impact of CVE-2019-1070

Attackers can execute arbitrary scripts in the context of the user's browser, potentially leading to unauthorized actions.
This vulnerability may be exploited to steal sensitive information or perform actions on behalf of the user.

Technical Details of CVE-2019-1070

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The vulnerability arises when SharePoint Server fails to properly sanitize specially crafted web requests, enabling XSS attacks.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specifically designed web request to a SharePoint server, bypassing proper sanitization.

Mitigation and Prevention

Protect your systems and data from potential exploits with these mitigation strategies.

Immediate Steps to Take

Apply the latest security updates and patches provided by Microsoft.
Implement proper input validation and output encoding to prevent XSS attacks.
Educate users on safe browsing practices and the risks associated with clicking on unknown links.

Long-Term Security Practices

Regularly monitor and audit SharePoint Server for any suspicious activities.
Consider implementing a web application firewall (WAF) to filter and block malicious traffic.

Patching and Updates

Stay informed about security advisories and updates from Microsoft.
Keep your SharePoint Server up to date with the latest patches to address known vulnerabilities.