Microsoft Windows up to Server 2019 Diagnostic Hub privileges management

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Windows. This impacts an unknown function of the component Diagnostic Hub. The manipulation leads to privileges management. This vulnerability is uniquely identified as CVE-2020-0810. The attack is possible to be carried out remotely. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows (Operating System). It has been rated as critical. This issue affects an unknown code of the component Diagnostic Hub. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file creation in arbitrary locations.To exploit the vulnerability, an attacker would first have to log on to the system.An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.The update addresses the vulnerability by not permitting Diagnostics Hub Standard Collector or the Visual Studio Standard Collector to create files in arbitrary locations., aka 'Diagnostic Hub Standard Collector Elevation of Privilege Vulnerability'.

The weakness was disclosed 03/10/2020 as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with Microsoft. The identification of this vulnerability is CVE-2020-0810. The attack may be initiated remotely. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/11/2020). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK. The advisory points out:

An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file creation in arbitrary locations.

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

The entries VDB-151131, VDB-151129, VDB-151126 and VDB-151125 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 10
• 10 1607
• 10 1709
• 10 1803
• 10 1809
• 10 1903
• 10 1909
• Server 1803
• Server 1903
• Server 1909
• Server 2016
• Server 2019

License

• commercial

Website

• Vendor: https://www.microsoft.com/
• Product: https://www.microsoft.com/en-us/windows

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