Microsoft Windows up to Server 2019 Error Reporting privileges management

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Windows. The impacted element is an unknown function of the component Error Reporting. Performing a manipulation results in privileges management. This vulnerability is known as CVE-2020-0806. Attacking locally is a requirement. No exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows (Operating System). It has been classified as critical. This affects some unknown functionality of the component Error Reporting. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0772.

The weakness was published 03/10/2020 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release has been coordinated with Microsoft. This vulnerability is uniquely identified as CVE-2020-0806. An attack has to be approached locally. A authentication is required for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/11/2020). MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files. The vulnerability could allow elevation of privilege if an attacker can successfully exploit it.

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

Similar entries are available at VDB-151129, VDB-151127, VDB-151126 and VDB-151124. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 7 SP1
• 8.1
• 10
• 10 1607
• 10 1709
• 10 1803
• 10 1809
• 10 1903
• 10 1909
• RT 8.1
• Server 1803
• Server 1903
• Server 1909
• Server 2008 R2 SP1
• Server 2008 SP2
• Server 2012
• Server 2012 R2
• Server 2016
• Server 2019

License

• commercial

Website

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

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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