CVE-2023-41773
vulnerability analysis and mitigation

Overview

Layer 2 Tunneling Protocol Remote Code Execution Vulnerability (CVE-2023-41773) is a security flaw discovered in Microsoft Windows systems. The vulnerability was initially disclosed on August 31, 2023, and publicly released on October 10, 2023. It affects multiple versions of Microsoft Windows, including Windows 10, Windows 11, and various Windows Server editions (MITRE CVE).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 8.1 (HIGH) with the vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. It has been classified under two CWE categories: CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization - 'Race Condition') and CWE-416 (Use After Free) (NVD).

Impact

This vulnerability allows for remote code execution through the Layer 2 Tunneling Protocol, potentially enabling attackers to gain complete control over affected systems with high impacts on confidentiality, integrity, and availability (Rapid7).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability across multiple affected versions. Updates are available for Windows 10 (versions 1507 through 22H2), Windows 11 (21H2 and 22H2), and Windows Server versions (2012 through 2022). Users are advised to apply the appropriate security patches (Microsoft Security).

Additional resources


SourceThis report was generated using AI

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