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CCE
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CCE-46771-2

Platform: cpe:/o:microsoft:windows_server_2016Date: (C)2017-08-03   (M)2023-07-04



This policy setting prevents users from sharing the local drives on their client computers to Terminal Servers that they access. Mapped drives appear in the session folder tree in Windows Explorer in the following format: \TSClient<driveletter>$ If local drives are shared they are left vulnerable to intruders who want to exploit the data that is stored on them. Vulnerability: Data could be forwarded from the user's Terminal Server session to the user's local computer without any direct user interaction. Counter Measure: Configure the Do not allow drive redirection setting to Enabled. Potential Impact: Drive redirection will not be possible. Fix: (1) GPO: Computer ConfigurationAdministrative TemplatesWindows ComponentsRemote Desktop ServicesRemote Desktop Session HostDevice and Resource RedirectionDo not allow drive redirection (2) REG: HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows NTTerminal Services!fDisableCdm


Parameter:

[enable/disable]


Technical Mechanism:

(1) GPO: Computer Configuration\Administrative Templates\Windows Components\Remote Desktop Services\Remote Desktop Session Host\Device and Resource Redirection\Do not allow drive redirection (2) REG: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services!fDisableCdm

CCSS Severity:CCSS Metrics:
CCSS Score : 8.1Attack Vector: NETWORK
Exploit Score: 2.8Attack Complexity: LOW
Impact Score: 5.2Privileges Required: LOW
Severity: HIGHUser Interaction: NONE
Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NScope: UNCHANGED
 Confidentiality: HIGH
 Integrity: HIGH
 Availability: NONE
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:40318


OVAL    1
oval:org.secpod.oval:def:40318
XCCDF    4
xccdf_org.secpod_benchmark_NIST_800_53_r4_Windows_Server_2016
xccdf_org.secpod_benchmark_PCI_3_2_Windows_Server_2016
xccdf_org.secpod_benchmark_general_Windows_Server_2016
xccdf_org.secpod_benchmark_NIST_800_171_R1_Windows_Server_2016
...

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