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Category:   OS (UNIX)  >   Apple macOS/OS X Vendors:   Apple
Apple macOS/OS X Disk Utility Hint Field Lets Local Users View the Password for an Encrypted APFS Volume
SecurityTracker Alert ID:  1039513
SecurityTracker URL:  http://securitytracker.com/id/1039513
CVE Reference:   CVE-2017-7149   (Links to External Site)
Date:  Oct 5 2017
Impact:   Disclosure of authentication information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 10.13
Description:   A vulnerability was reported in Apple macOS/OS X. A local user can obtain passwords on the target system in certain cases.

If a password hint was set via Disk Utility when creating an encrypted APFS volume, a local user can exploit a flaw in the StorageKit component to view the password in the hint field.

The original advisory is available at:

https://medium.com/@matheusmariano/new-macos-high-sierra-vulnerability-exposes-the-password-of-an-encrypted-apfs-container-b4f2f5326e79

Matheus Mariano of Leet Tech reported this vulnerability.

Impact:   A local user can obtain the password for an encrypted APFS volumen on the target system in certain cases.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

https://support.apple.com/en-us/HT208165

Vendor URL:  support.apple.com/en-us/HT208165 (Links to External Site)
Cause:   Access control error

Message History:   None.


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