Microsoft Windows up to Server 2019 privileges management

Summaryinfo

A vulnerability classified as critical has been found in Microsoft Windows. Impacted is an unknown function. The manipulation leads to privileges management. This vulnerability is uniquely identified as CVE-2020-0983. The attack is possible to be carried out remotely. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows (Operating System) and classified as critical. This issue affects some unknown processing. 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 Windows Delivery Optimization service improperly handles objects in memory, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0934, CVE-2020-1009, CVE-2020-1011, CVE-2020-1015.

The weakness was disclosed 04/14/2020 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with Microsoft. The identification of this vulnerability is CVE-2020-0983. The attack may be initiated remotely. Required for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/15/2020). MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

An elevation of privilege vulnerability exists when the Windows Delivery Optimization service improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

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-153261, VDB-153260, VDB-153259 and VDB-153256 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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