Microsoft Windows up to Server 2019 Windows Search Indexer privileges management

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft Windows. This affects an unknown function of the component Windows Search Indexer. Such manipulation leads to privileges management. This vulnerability is referenced as CVE-2020-0626. The attack can only be performed from a local environment. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows (Operating System) and classified as critical. Affected by this issue is some unknown functionality of the component Windows Search Indexer. 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. CVE summarizes:

An elevation of privilege vulnerability exists in the way that the Windows Search Indexer handles objects in memory, aka 'Windows Search Indexer Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0613, CVE-2020-0614, CVE-2020-0623, CVE-2020-0625, CVE-2020-0627, CVE-2020-0628, CVE-2020-0629, CVE-2020-0630, CVE-2020-0631, CVE-2020-0632, CVE-2020-0633.

The weakness was published 01/14/2020 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The public release has been coordinated with the vendor. This vulnerability is handled as CVE-2020-0626. The attack needs to be approached locally. A simple authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/15/2020). The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:

An elevation of privilege vulnerability exists in the way that the Windows Search Indexer handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.

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-148644, VDB-148643, VDB-148642 and VDB-148641. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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 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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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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