CVE-2018-0789 : Exploit Details and Defense Strategies

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Understanding CVE-2018-0789

What is CVE-2018-0789?

Microsoft SharePoint Foundation 2010, Microsoft SharePoint Server 2013, and Microsoft SharePoint Server 2016 are affected by a vulnerability that allows an elevation of privilege due to the handling of web requests.

The Impact of CVE-2018-0789

This vulnerability can be exploited to elevate privileges on the affected systems, potentially leading to unauthorized access and control over sensitive information.

Technical Details of CVE-2018-0789

Vulnerability Description

The vulnerability in Microsoft SharePoint Server allows attackers to escalate privileges by manipulating web requests, posing a significant security risk.

Affected Systems and Versions

Microsoft SharePoint Foundation 2010
Microsoft SharePoint Server 2013
Microsoft SharePoint Server 2016

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted web requests to the affected SharePoint servers, enabling them to gain elevated privileges.

Mitigation and Prevention

Immediate Steps to Take

Apply security updates provided by Microsoft to patch the vulnerability promptly.
Monitor network traffic for any suspicious activity that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent known vulnerabilities.
Implement least privilege access controls to limit the impact of potential privilege escalation attacks.
Conduct regular security assessments and penetration testing to identify and address security weaknesses.

Patching and Updates

It is crucial to install the security updates released by Microsoft to address the CVE-2018-0789 vulnerability and enhance the overall security posture of SharePoint servers.