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CCE
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CCE-33071-2

Platform: cpe:/o:microsoft:windows_8.1Date: (C)2015-10-14   (M)2023-07-04



Specify the 'Allow access to BitLocker-protected removable data drives from earlier versions of Windows' for RDVDiscoveryVolumeType This policy setting configures whether or not removable data drives formatted with the FAT file system can be unlocked and viewed on computers running Windows Server 2008, Windows Vista, Windows XP with Service Pack 3 (SP3), or Windows XP with Service Pack 2 (SP2) operating systems. If this policy setting is enabled or not configured, removable data drives formatted with the FAT file system can be unlocked on computers running Windows Server 2008, Windows Vista, Windows XP with SP3, or Windows XP with SP2, and their content can be viewed. These operating systems have read-only access to BitLocker-protected drives. When this policy setting is enabled, select the "Do not install BitLocker To Go Reader on FAT formatted removable drives" check box to help prevent users from running BitLocker To Go Reader from their removable drives. If BitLocker To Go Reader (bitlockertogo.exe) is present on a drive that does not have an identification field specified, or if the drive has the same identification field as specified in the "Provide unique identifiers for your organization" policy setting, the user will be prompted to update BitLocker and BitLocker To Go Reader will be deleted from the drive. In this situation, for the removable drive to be unlocked on computers running Windows Server 2008, Windows Vista, Windows XP with SP3, or Windows XP with SP2, BitLocker To Go Reader must be installed on the computer. If this check box is not selected, BitLocker To Go Reader will be installed on the removable drive to enable users to unlock the drive on computers running Windows Server 2008, Windows Vista, Windows XP with SP3, or Windows XP with SP2 that do not have BitLocker To Go Reader installed. If this policy setting is disabled, removable data drives formatted with the FAT file system that are BitLocker-protected cannot be unlocked on computers running Windows Server 2008, Windows Vista, Windows XP with SP3, or Windows XP with SP2. Bitlockertogo.exe will not be installed. Note: This policy setting does not apply to drives that are formatted with the NTFS file system. Counter Measure: Enable this setting and select "Do not install BitLocker To Go Reader on FAT formatted removable drives." By preventing drives from being accessed on previous versions of Windows, the BitLocker To Go Reader cannot be used to unlock the drive. This reduces the likelihood the application will be used and spoofed or used as a way to spread malware. Potential Impact: BitLocker protected drives will not be able to be accessed on previous versions of Windows.


Parameter:

[enable/disable, enable/disable]


Technical Mechanism:

(1) GPO: Computer ConfigurationAdministrative TemplatesWindows ComponentsBitLocker Drive EncryptionRemovable Data DrivesAllow access to BitLocker-protected removable data drives from earlier versions of Windows (2) REG: HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftFVERDVDiscoveryVolumeType,RDVNoBitLockerToGoReader

CCSS Severity:CCSS Metrics:
CCSS Score : 7.0Attack Vector: LOCAL
Exploit Score: 1.0Attack Complexity: HIGH
Impact Score: 5.9Privileges Required: LOW
Severity: HIGHUser Interaction: NONE
Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HScope: UNCHANGED
 Confidentiality: HIGH
 Integrity: HIGH
 Availability: HIGH
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:22696


OVAL    1
oval:org.secpod.oval:def:22696
XCCDF    3
xccdf_org.secpod_benchmark_HIPAA_45CFR_164_Windows_8_1
xccdf_org.secpod_benchmark_PCI_3_2_Windows_8_1
xccdf_org.secpod_benchmark_general_Windows_8_1

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