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Category:   OS (Other)  >   Apple iOS Vendors:   Apple
Apple iOS Notification Processing Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1032408
SecurityTracker URL:
CVE Reference:   CVE-2015-1157   (Links to External Site)
Updated:  Jun 30 2015
Original Entry Date:  May 27 2015
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 8.x prior to 8.4
Description:   A vulnerability was reported in Apple iOS. A remote user can cause denial of service conditions on the target system.

A remote user can send a specially crafted string of Unicode characters to trigger a flaw in the Springboard component and cause the target phone to crash and reboot.

This can be exploited via iMessage and other applications that are configured to display banner notifications.

This vulnerability is being actively exploited.

[Editor's note: The vendor's advisory "APPLE-SA-2015-06-30-1 iOS 8.4" indicates that arbitrary code execution is possible.]

Impact:   A remote user can cause the target device to crash and reboot.

A remote user may be able to execute arbitrary code.

Solution:   The vendor has issued a fix (8.4).

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error, State error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 16 2015 (Apple Issues Fix for Apple iTunes) Apple iOS Notification Processing Flaw Lets Remote Users Deny Service
Apple has issued a fix for Apple iTunes for Windows.

 Source Message Contents

[Original Message Not Available for Viewing]

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