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Category:   Application (Generic)  >   FreeType Vendors:   freetype.org
(FreeType Issues Fix) Apple iOS Bugs Let Remote Users Execute Arbitrary Code and Obtain Information and Let Local Users Bypass Authentication
SecurityTracker Alert ID:  1026326
SecurityTracker URL:  http://securitytracker.com/id/1026326
CVE Reference:   CVE-2011-3439   (Links to External Site)
Date:  Nov 15 2011
Impact:   Disclosure of system information, Execution of arbitrary code via network, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.4.7 and prior versions
Description:   Several vulnerabilities were reported in Apple iOS. A remote user can cause arbitrary code to be executed on the target user's system. A physically local user can bypass authentication. A remote user can obtain potentially sensitive information. FreeType is affected.

A remote user can create a specially crafted FreeType font that, when loaded by the target user, will execute arbitrary code on the target user's system [CVE-2011-3439].

A remote user can create specially crafted HTML that, when loaded by the target user, will cause libinfo to disclose potentially sensitive information via DNS name lookups [CVE-2011-3441]. Erling Ellingsen of Facebook and Per Johansson of Blocket AB reported this vulnerability.

A physically local user can open an iPad 2 Smart Cover while the device is confirming power off in the locked state to bypass the authentication passcode request [CVE-2011-3440]. The user cannot launch apps or access data protected by Data Protection.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on or obtain potentially sensitive information from the target user's system.

A physically local user can bypass the iPad 2 authentication passcode request in certain cases.

Solution:   FreeType has issued a fix for CVE-2011-3439 (2.4.8).

The FreeType advisory is available at:

http://sourceforge.net/projects/freetype/files/freetype2/2.4.8/README/view

Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry is a follow-up to the message listed below.
Nov 10 2011 Apple iOS Bugs Let Remote Users Execute Arbitrary Code and Obtain Information and Let Local Users Bypass Authentication



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