CVE-2022-30171 Explained : Impact and Mitigation

Microsoft Office Information Disclosure Vulnerability

Understanding CVE-2022-30171

This CVE involves an information disclosure vulnerability in Microsoft Office.

What is CVE-2022-30171?

It is an information disclosure vulnerability affecting various Microsoft SharePoint and Office Server products including SharePoint Enterprise Server 2016, SharePoint Enterprise Server 2013, SharePoint Server 2019, Office Online Server, Office Web Apps Server 2013, and SharePoint Server Subscription Edition.

The Impact of CVE-2022-30171

The impact of this vulnerability is rated as MEDIUM with a base CVSS score of 5.5. It can result in unauthorized disclosure of sensitive information stored in the affected Microsoft Office products.

Technical Details of CVE-2022-30171

This vulnerability is categorized under 'Information Disclosure' problem type with a base score of 5.5.

Vulnerability Description

The vulnerability allows attackers to access confidential data without authorization.

Affected Systems and Versions

Microsoft SharePoint Enterprise Server 2016: Version 16.0.0 to 16.0.5332.1001
Microsoft SharePoint Enterprise Server 2013: Version 15.0.0 to 15.0.5459.1001
Microsoft SharePoint Server 2019: Version 16.0.0 to 16.0.10387.20008
Microsoft Office Online Server: Version 16.0.1 to 16.0.14931.20612
Microsoft Office Web Apps Server 2013: Version 15.0.1 to 15.0.5459.1001
Microsoft SharePoint Server Subscription Edition: Version 16.0.0 to 16.0.14931.20418

Exploitation Mechanism

The vulnerability can be exploited by malicious actors with network access to the vulnerable Microsoft Office products.

Mitigation and Prevention

To address CVE-2022-30171, it is crucial to take immediate and long-term security measures.

Immediate Steps to Take

Apply security patches provided by Microsoft for the affected products.
Monitor for any unauthorized access or data disclosure.

Long-Term Security Practices

Regularly update and patch Microsoft Office products to ensure protection against known vulnerabilities.
Implement access control and user permissions to restrict unauthorized data access.

Patching and Updates

Stay informed about security updates and advisories from Microsoft for timely application of patches to mitigate the risks associated with this information disclosure vulnerability.