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Category:   OS (Other)  >   Apple iOS Vendors:   Apple
Apple iOS Flaws Let Remote Users Deny Service and Execute Arbitrary Code
SecurityTracker Alert ID:  1032761
SecurityTracker URL:  http://securitytracker.com/id/1032761
CVE Reference:   CVE-2015-3722, CVE-2015-3723, CVE-2015-3724, CVE-2015-3725, CVE-2015-3726, CVE-2015-3728   (Links to External Site)
Date:  Jul 1 2015
Impact:   Denial of service via network, Execution of arbitrary code via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 8.4
Description:   Multiple vulnerabilities were reported in Apple iOS. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can cause denial of service conditions on the target system.

A remote user (universal provisioning profile app) can use the bundle ID of an existing app to prevent the existing app from launching [CVE-2015-3722]. Apple Watch apps are also affected [CVE-2015-3725].

Zhaofeng Chen, Hui Xue, and Tao (Lenx) Wei from FireEye, Inc. reported this vulnerability.

A remote user that can conduct a man-in-the-middle attack can use a certificate signed by an incorrectly issued CNNIC certificate authority to bypass trusted certificate validation.

A remote user can create a specially crafted PDF file that, when loaded by the target user, will trigger a memory corruption error and execute arbitrary code on the target system [CVE-2015-3723, CVE-2015-3724].

chaithanya (SegFault) (via HP's Zero Day Initiative) and WanderingGlitch of HP's Zero Day Initiative reported this vulnerability.

A user can create a specially crafted SIM card that, when physically installed by the target user, will execute arbitrary code [CVE-2015-3726].

Matt Spisak of Endgame reported this vulnerability.

A remote user can advertise a WiFi ESSID known (i.e., auto-associated) to the target user's phone but with a downgraded security type to cause the target user's phone to connect to the access point with downgraded security [CVE-2015-3728].

Brian W. Gray of Carnegie Mellon University and Craig Young from TripWire reported this vulnerability.

Impact:   A remote user can prevent an existing app from launching.

A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can cause the target user's phone to connect to a WiFi access point with downgraded security.

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

The vendor's advisory is available at:

https://support.apple.com/kb/HT204941

Vendor URL:  support.apple.com/kb/HT204941 (Links to External Site)
Cause:   Access control error, Input validation error

Message History:   None.


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