Microsoft SharePoint Server 2010 SP2/2013 SP1/2016/2019 Profile Data input validation

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft SharePoint Server 2010 SP2/2013 SP1/2016/2019. Affected by this issue is some unknown functionality of the component Profile Data Handler. The manipulation leads to input validation. This vulnerability is documented as CVE-2020-1440. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft SharePoint Server 2010 SP2/2013 SP1/2016/2019 (Groupware Software). This issue affects an unknown functionality of the component Profile Data Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

<p>A tampering vulnerability exists when Microsoft SharePoint Server fails to properly handle profile data. An attacker who successfully exploited this vulnerability could modify a targeted user's profile data.</p> <p>To exploit the vulnerability, an attacker would need to be authenticated on an affected SharePoint Server. The attacker would then need to send a specially modified request to the server, targeting a specific user.</p> <p>The security update addresses the vulnerability by modifying how Microsoft SharePoint Server handles profile data.</p>

The weakness was released 09/08/2020 as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release was coordinated with Microsoft. The identification of this vulnerability is CVE-2020-1440. The attack may be initiated remotely. The successful exploitation needs a simple authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A tampering vulnerability exists when Microsoft SharePoint Server fails to properly handle profile data. An attacker who successfully exploited this vulnerability could modify a targeted user's profile data.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Entries connected to this vulnerability are available at VDB-160933 and VDB-160929. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Groupware Software

Vendor

• Microsoft

Name

• SharePoint Server

Version

• 2010 SP2
• 2013 SP1
• 2016
• 2019

License

• commercial

Website

• Vendor: https://www.microsoft.com/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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