CVE-2023-28288 : Security Advisory and Response

This CVE record is related to a vulnerability in Microsoft SharePoint Server that allows for spoofing attacks. The vulnerability was published on April 11, 2023, by Microsoft.

Understanding CVE-2023-28288

This section will provide an overview of CVE-2023-28288, detailing the nature of the vulnerability and its impact on affected systems.

What is CVE-2023-28288?

CVE-2023-28288 refers to a Spoofing Vulnerability in Microsoft SharePoint Server. This type of vulnerability could potentially allow a malicious actor to impersonate another user or system, leading to unauthorized access or actions.

The Impact of CVE-2023-28288

The impact of this vulnerability could be severe, as it opens up the possibility of spoofing attacks within Microsoft SharePoint Server environments. Spoofing can be leveraged by threat actors to deceive users or systems and gain unauthorized access to sensitive information.

Technical Details of CVE-2023-28288

In this section, we will delve into the technical aspects of CVE-2023-28288, including a description of the vulnerability, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The Spoofing Vulnerability in Microsoft SharePoint Server allows attackers to impersonate entities within the server environment, potentially leading to unauthorized access and fraudulent activities.

Affected Systems and Versions

The following Microsoft SharePoint Server versions are affected by CVE-2023-28288:

Microsoft SharePoint Enterprise Server 2016: Versions less than 16.0.5391.1000
Microsoft SharePoint Enterprise Server 2013 Service Pack 1: Versions less than 15.0.5545.1000
Microsoft SharePoint Server 2019: Versions less than 16.0.10397.20002
Microsoft SharePoint Server Subscription Edition: Versions less than 16.0.16130.20314
Microsoft SharePoint Foundation 2013 Service Pack 1: Versions less than 15.0.5545.1000

Exploitation Mechanism

The exploitation of this vulnerability may involve techniques that allow threat actors to forge identities or communications within Microsoft SharePoint Server, leading to spoofing attacks.

Mitigation and Prevention

To safeguard against the CVE-2023-28288 vulnerability, it is crucial to implement immediate measures and establish long-term security practices. Additionally, applying relevant patches and updates is essential to mitigate the risk associated with this flaw.

Immediate Steps to Take

Organizations should review their Microsoft SharePoint Server configurations to identify vulnerable instances.
Security teams should monitor for any suspicious activities or anomalies that could indicate spoofing attempts.

Long-Term Security Practices

Implement multi-factor authentication to enhance user verification processes.
Conduct regular security audits and assessments to detect and address vulnerabilities promptly.

Patching and Updates

Microsoft may release security patches or updates to address the Spoofing Vulnerability in SharePoint Server. Organizations should apply these patches as soon as they become available to mitigate the risk of exploitation.