CVE-2020-1148 : Security Advisory and Response

A spoofing vulnerability in Microsoft SharePoint Server allows specially crafted web requests to bypass proper sanitation, termed 'Microsoft SharePoint Spoofing Vulnerability'.

Understanding CVE-2020-1148

Affecting Microsoft SharePoint Server, this CVE exposes a spoofing vulnerability that permits unauthorized access to SharePoint servers.

What is CVE-2020-1148?

This CVE represents a spoofing vulnerability caused by inadequate sanitization of specific web requests to affected Microsoft SharePoint servers.

The Impact of CVE-2020-1148

The vulnerability enables malicious actors to perform spoofing attacks, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2020-1148

The vulnerability, its affected systems, and the exploitation mechanism are outlined below.

Vulnerability Description

A spoofing flaw in Microsoft SharePoint Server allows crafted web requests to deceive the server, granting unauthorized access.

Affected Systems and Versions

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

Exploitation Mechanism

Malicious actors can exploit this vulnerability by submitting specially crafted web requests to bypass SharePoint server sanitization processes.

Mitigation and Prevention

Steps to secure systems and prevent exploitation are crucial in mitigating risks.

Immediate Steps to Take

Apply security updates from Microsoft to address the vulnerability
Monitor for any unusual activities or unauthorized access
Implement network segmentation to limit the impact of potential attacks

Long-Term Security Practices

Regularly update and patch software and systems to prevent vulnerabilities
Conduct security assessments and audits to identify and address weak points
Educate users on phishing and spoofing tactics to enhance awareness
Enforce the principle of least privilege to restrict unauthorized access

Patching and Updates

Microsoft has released security updates to remediate the vulnerability
Promptly apply these patches to all affected SharePoint servers to strengthen security measures.