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About the security content of iOS 6.1.3

This document describes the security content of iOS 6.1.3.

For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.

For information about the Apple Product Security PGP Key, see "How to use the Apple Product Security PGP Key."

Where possible, CVE IDs are used to reference the vulnerabilities for further information.

To learn about other Security Updates, see "Apple Security Updates".
 

iOS 6.1.3

  • dyld

    Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later

    Impact: A local user may be able to execute unsigned code

    Description: A state management issue existed in the handling of Mach-O executable files with overlapping segments. This issue was addressed by refusing to load an executable with overlapping segments.

    CVE-ID

    CVE-2013-0977 : evad3rs

  • Kernel

    Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later

    Impact: A local user may be able to determine the address of structures in the kernel

    Description: An information disclosure issue existed in the ARM prefetch abort handler. This issue was addressed by panicking if the prefetch abort handler is not being called from an abort context.

    CVE-ID

    CVE-2013-0978 : evad3rs

  • Lockdown

    Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later

    Impact: A local user may be able to change permissions on arbitrary files

    Description: When restoring from backup, lockdownd changed permissions on certain files even if the path to the file included a symbolic link. This issue was addressed by not changing permissions on any file with a symlink in its path.

    CVE-ID

    CVE-2013-0979 : evad3rs

  • Passcode Lock

    Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later

    Impact: A person with physical access to the device may be able to bypass the screen lock

    Description: A logic issue existed in the handling of emergency calls from the lock screen. This issue was addressed through improved lock state management.

    CVE-ID

    CVE-2013-0980 : Christopher Heffley of theMedium.ca, videosdebarraquito

  • USB

    Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later

    Impact: A local user may be able to execute arbitrary code in the kernel

    Description: The IOUSBDeviceFamily driver used pipe object pointers that came from userspace. This issue was addressed by performing additional validation of pipe object pointers.

    CVE-ID

    CVE-2013-0981 : evad3rs

  • WebKit

    Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later

    Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution

    Description: An invalid cast issue existed in the handling of SVG files. This issue was addressed through improved type checking.

    CVE-ID

    CVE-2013-0912 : Nils and Jon from MWR Labs working with HP TippingPoint's Zero Day Initiative

Important: Mention of third-party websites and products is for informational purposes only and constitutes neither an endorsement nor a recommendation. Apple assumes no responsibility with regard to the selection, performance or use of information or products found at third-party websites. Apple provides this only as a convenience to our users. Apple has not tested the information found on these sites and makes no representations regarding its accuracy or reliability. There are risks inherent in the use of any information or products found on the Internet, and Apple assumes no responsibility in this regard. Please understand that a third-party site is independent from Apple and that Apple has no control over the content on that website. Please contact the vendor for additional information.
Last Modified: Mar 19, 2013
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  • Last Modified: Mar 19, 2013
  • Article: HT5704
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