2021-34521 | Microsoft Windows Raw Image Extension Remote Code Execution

By Max On Jul 17, 2021

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6.1	$5k-$25k	0.10

A vulnerability was found in Microsoft Windows 10 20H2/10 21H1/10 1909/10 2004/Server 20H2 (Operating System) and classified as critical. Affected by this issue is an unknown code block of the component Raw Image Extension. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Raw Image Extension Remote Code Execution Vulnerability

The weakness was published 07/13/2021 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2021-34521 since 06/09/2021. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/17/2021).

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

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