CVE-2023-36697: Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

Overview

Severity

Medium (CVSS 6.8)

CVSS Vector

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

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2023-Oct

Released

2023-10-10

Last Updated

2023-10-17

EPSS Score

0.14% (percentile: 34.7%)

FAQ

How could an attacker exploit this vulnerability? Successful exploitation of this vulnerability could allow an authenticated domain user to remotely execute code on the target server. The attacker needs to convince a user on the target machine to connect to a malicious server or compromise a legitimate MSMQ server host and make it run as a malicious server.

Affected Products (33)

Windows

• Windows 10 Version 1809 for 32-bit Systems
• Windows 10 Version 1809 for x64-based Systems
• Windows 10 Version 1809 for ARM64-based Systems
• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• 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
• Windows 10 for 32-bit Systems
• Windows 10 for x64-based Systems
• Windows 10 Version 1607 for 32-bit Systems
• Windows 10 Version 1607 for x64-based Systems
• Windows Server 2016
• Windows Server 2016 (Server Core installation)

ESU

• Windows Server 2008 for 32-bit Systems Service Pack 2
• Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
• Windows Server 2008 for x64-based Systems Service Pack 2
• Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
• Windows Server 2008 R2 for x64-based Systems Service Pack 1
• Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
• Windows Server 2012
• Windows Server 2012 (Server Core installation)
• Windows Server 2012 R2
• Windows Server 2012 R2 (Server Core installation)

Security Updates (15)

• 5031361
• 5031364
• 5031358
• 5031356
• 5031354
• 5031377
• 5031362
• 5031416
• 5031411
• 5031408
• 5031441
• 5031442
• 5031427
• 5031419
• 5031407

Acknowledgments

wkai with Codesafe Team of Legendsec at QI-ANXIN Group

Revision History

• 2023-10-10: Information published.
• 2023-10-17: Added mitigation. This is an informational change only.