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Category:   Application (Web Browser)  >   Apple Safari Vendors:   Apple
Apple Safari '-webkit-backdrop-filter' CSS Property Processing Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1041692
SecurityTracker URL:  http://securitytracker.com/id/1041692
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Updated:  Sep 20 2018
Original Entry Date:  Sep 20 2018
Impact:   Denial of service via network
Vendor Confirmed:  Yes  Exploit Included:  Yes  

Description:   A vulnerability was reported in Apple Safari. A remote user can cause denial of service conditions on the target system.

A remote user can create specially crafted HTML with nested 'div' tags and CSS using the '-webkit-backdrop-filter' property that, when loaded by the target user, will cause the target user's device operating system to crash.

[Editor's note: On macOS, the Safari application will crash but the operating system is not affected.]

The original advisory is available at:

https://twitter.com/pwnsdx/status/1040944750973595649

Demonstration exploit code is available at:

https://gist.github.com/pwnsdx/ce64de2760996a6c432f06d612e33aea

Sabri Haddouche reported this vulnerability.

Impact:   A remote user can cause the target user's device to reboot.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.apple.com/ (Links to External Site)
Cause:   State error
Underlying OS:  Apple (iOS), UNIX (macOS/OS X)

Message History:   None.


 Source Message Contents



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