CVE-2020-1318 : Security Advisory and Response

A cross-site-scripting (XSS) vulnerability exists in Microsoft SharePoint servers. This CVE ID is unique from several other related vulnerabilities.

Understanding CVE-2020-1318

This CVE refers to a specific cross-site-scripting vulnerability affecting Microsoft SharePoint servers.

What is CVE-2020-1318?

CVE-2020-1318 is a security vulnerability in Microsoft SharePoint servers that allows attackers to execute cross-site scripting attacks by sending specially crafted web requests.

The Impact of CVE-2020-1318

This vulnerability could allow threat actors to execute malicious scripts in the context of the user's browser, potentially leading to various security risks such as data theft, unauthorized access, and further exploitation of the affected system.

Technical Details of CVE-2020-1318

This section covers the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from Microsoft SharePoint Server failing to properly sanitize specific web requests, enabling XSS attacks.

Affected Systems and Versions

Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft SharePoint Server 2019
Microsoft SharePoint Foundation 2010 Service Pack 2
Microsoft SharePoint Foundation 2013 Service Pack 1

Exploitation Mechanism

Attackers can exploit this vulnerability by sending manipulated web requests to the affected Microsoft SharePoint servers, tricking users into executing malicious scripts unknowingly.

Mitigation and Prevention

Protecting systems from CVE-2020-1318 is crucial for maintaining a secure environment.

Immediate Steps to Take

Apply security updates and patches provided by Microsoft promptly.
Implement web application firewalls to filter and block malicious traffic.
Educate users about phishing and social engineering tactics to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly monitor and audit web traffic and server logs for unusual activities.
Keep software and systems up to date to prevent known vulnerabilities from being exploited.
Conduct periodic security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Regularly check for security advisories and updates from Microsoft and apply them as soon as they are available.