CVE-2023-38148: Internet Connection Sharing (ICS) Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 8.8)

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

More Likely

Patch Tuesday

2023-Sep

Released

2023-09-12

Last Updated

2023-09-28

EPSS Score

4.18% (percentile: 88.7%)

FAQ

How could an attacker exploit this vulnerability? An unauthorized attacker could exploit this Internet Connection Sharing (ICS) vulnerability by sending a specially crafted network packet to the Internet Connection Sharing (ICS) Service. According to the CVSS score, the attack vector is adjacent (AV:A). What does this mean for this vulnerability? This attack is limited to systems connected to the same network segment as the attacker. The attack cannot be performed across multiple networks (for example, a WAN) and would be limited to systems on the same network switch or virtual network.

Affected Products (12)

Windows

• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows 11 version 21H2 for x64-based Systems
• Windows 11 version 21H2 for ARM64-based Systems
• Windows 10 Version 21H2 for 32-bit Systems
• Windows 10 Version 21H2 for ARM64-based Systems
• Windows 10 Version 21H2 for x64-based Systems
• Windows 11 Version 22H2 for ARM64-based Systems
• Windows 11 Version 22H2 for x64-based Systems
• Windows 10 Version 22H2 for x64-based Systems
• Windows 10 Version 22H2 for ARM64-based Systems
• Windows 10 Version 22H2 for 32-bit Systems

Security Updates (5)

• 5030216
• 5030325
• 5030217
• 5030211
• 5030219

Acknowledgments

Anonymous, <a href="https://twitter.com/baixia4">Jarvis_1oop</a>

Revision History

• 2023-09-12: Information published.
• 2023-09-28: Added an acknowledgement. This is an informational change only.