CVE-2017-11775 : What You Need to Know

A vulnerability known as "Microsoft Office SharePoint XSS Vulnerability" affects Microsoft SharePoint Enterprise Server 2013 SP1 and Microsoft SharePoint Enterprise Server 2016. This CVE ID is distinct from CVE-2017-11777 and CVE-2017-11820.

Understanding CVE-2017-11775

This CVE involves a cross-site scripting (XSS) vulnerability in Microsoft SharePoint Enterprise Server.

What is CVE-2017-11775?

The vulnerability arises from inadequate sanitization of web requests by SharePoint Server, allowing attackers to execute XSS attacks.

The Impact of CVE-2017-11775

Attackers can exploit this vulnerability to perform cross-site scripting attacks on vulnerable SharePoint servers.

Technical Details of CVE-2017-11775

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Microsoft SharePoint Enterprise Server 2013 SP1 and Microsoft SharePoint Enterprise Server 2016 are susceptible to XSS attacks due to improper request sanitization.

Affected Systems and Versions

Microsoft SharePoint Enterprise Server 2013 SP1
Microsoft SharePoint Enterprise Server 2016

Exploitation Mechanism

Attackers craft specially designed requests to execute XSS attacks on vulnerable SharePoint servers.

Mitigation and Prevention

Protect your systems from CVE-2017-11775 with these mitigation strategies.

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Implement web application firewalls to filter and block malicious requests.
Regularly monitor and audit web traffic for suspicious activities.

Long-Term Security Practices

Conduct regular security training for employees to raise awareness of XSS attacks.
Follow the principle of least privilege to restrict user access rights.

Patching and Updates

Stay informed about security updates and patches released by Microsoft for SharePoint Enterprise Server.