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Category:   OS (Other)  >   Apple iOS Vendors:   Apple
Apple iOS Flaw in Limiting Failed Passcode Attempts Lets Physically Local Users Bypass Passcode Guessing Restrictions
SecurityTracker Alert ID:  1041177
SecurityTracker URL:  http://securitytracker.com/id/1041177
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jun 23 2018
Impact:   User access via local system
Exploit Included:  Yes  

Description:   A vulnerability was reported in Apple iOS. A physically local user can bypass security restrictions and conduct brute force passcode guessing attacks against the target system.

A physically local user on a device that has been booted can send specially crafted data via a physically connected keyboard to bypass the failed passcode attempt limits. This can be exploited to conduct brute force password guessing attacks against the device.

The original advisory is available at:

https://twitter.com/hackerfantastic/status/1010240042990596096

A demonstration exploit video is available at:

https://vimeo.com/276506763

Matthew Hickey of Hacker House reported this vulnerability.

Impact:   A physically local user can conduct brute force passcode guessing attacks against the target system.
Solution:   No solution was available at the time of this entry.
Vendor URL:  apple.com/ (Links to External Site)
Cause:   Access control error, State error

Message History:   None.


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