CVE-2023-29352: Windows Remote Desktop Security Feature Bypass Vulnerability

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Category

Security Feature Bypass

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2023-Jun

Released

2023-06-13

EPSS Score

0.28% (percentile: 51.6%)

FAQ

How could an attacker exploit this vulnerability? An attacker could successfully exploit this vulnerability by creating a fraudulent .RDP file that would bypass certificate validation and warning prompts while establishing a remote desktop connection. This could create an opportunity for phishing. What kind of security feature could be bypassed by successfully exploiting this vulnerability? An attacker who successfully exploited the vulnerability could bypass certificate or private key authentication when establishing a remote desktop protocol session. According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? An attacker must send the user a malicious file and convince them to open it.

Affected Products (12)

Windows

• Windows 10 Version 1809 for x64-based Systems
• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Remote Desktop client for Windows Desktop
• 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 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

Security Updates (7)

• 5027222
• Release Notes
• 5027225
• 5027319
• 5027223
• 5027215
• 5027231

Acknowledgments

Philemon Orphee Favrod and Ray Reskusich of Microsoft

Revision History

• 2023-06-13: Information published.