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Category:   OS (UNIX)  >   Apple macOS/OS X Vendors:   Apple
Apple macOS/OS X Root Account Password Flaw in Directory Utility Lets Local Users Obtain Root Privileges
SecurityTracker Alert ID:  1039875
SecurityTracker URL:  http://securitytracker.com/id/1039875
CVE Reference:   CVE-2017-13872   (Links to External Site)
Updated:  Nov 29 2017
Original Entry Date:  Nov 28 2017
Impact:   Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 10.13
Description:   A vulnerability was reported in Apple macOS/OS X. A local user can obtain root privileges on the target system.

A local user can supply an empty password for the 'root' user account via the System Preferences > Users & Groups menu to gain root privileges on the target system.

[Editor's note: It may take multiple attempts for the exploit to succeed.]

Apple macOS High Sierra is affected.

The original advisory is available at:

https://twitter.com/lemiorhan/status/935578694541770752

Lemi Orhan Ergin reported this vulnerability.

Impact:   A local user can obtain root privileges on the target system.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

https://support.apple.com/en-us/HT208315

Vendor URL:  support.apple.com/en-us/HT208315 (Links to External Site)
Cause:   Access control error

Message History:   None.


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