Iphone Keychain Faq Article

iOS Keychain Weakness FAQ Further Information on iOS Password Safety Jens Heider, Rachid El Khayari Fraunhofer Institute for Secure Information Technology (SIT) Dec 5, 2012

Updated versions can be found at: http://sit4.me/ios-keychain-faq

Contact person: Dr . Jens Heider Fraunhofer Institute intended for Secure Technology (SIT) RheinstraГџe 75, 64295 Darmstadt, Australia Email: jens. [email protected] fraunhofer. de Phone: +49 (0) 61 51/869-233

Revision background

1 . 9 2012-12-05 added: Appendix A Protection School Overview, s. 15 added iOS 6. 0. you keychain entry classification table updated: installment payments on your 1 Which usually versions of iOS are influenced by the harm method?, s. 5 iOS 6. zero. 1 can be affected up to date: 2 . 19 Which equipment are in danger?, p. 11 added iPad4, iPad tiny and iPhone 5 to the set of currently unaffected devices 1 ) 8 2012-07-16 added: 2 . 20 Is a SIM PIN NUMBER affected?, l. 11 SIM PIN could be extracted up-to-date: 2 . one particular Which versions of iOS are affected by the attack technique?, p. 5 iOS five. 1 . you is affected updated: installment payments on your 19 Which in turn devices happen to be in danger?, p. 11 added iPad3 to the list of at present unaffected equipment updated: Appendix A Safety Class Summary, p. 13 SIM FLAG and Wireless bluetooth Link Tips classification added to table current: Appendix A Protection Course Overview, s. 14 keychain entry classifications updated pertaining to iOS five. 1 . 1 release 1 . 7 2012-05-10 updated: 2 . 1 Which usually versions of iOS are influenced by the harm method?, p. 5 iOS 5. 1 is affected updated: Appendix A Safety Class Guide, p. 14 keychain entrance classifications current for iOS 5. 1 release up to date: Matthias Boll left they and Rachid El Khayari entered because co-author 1 ) 6 2012-02-27 updated: 2 . 1 Which will versions of iOS are influenced by the harm method?, l. 5 iOS 5. zero. 1 is usually affected up to date: 2 . three or more Are By. 509 certificates also afflicted?, p. 6 certificates in lower school than account details updated: 2 . 19 Which usually devices happen to be in danger?, g. 11 added iPad2 and iPhone 4S, potentially affected by means of Absinthe jailbreak updated: Appendix A Protection Class Review, p. 13 keychain access classifications up-to-date for iOS 5. 0. 1 discharge 1 . your five 2011-11-22 up to date: 2 . 1 Which editions of iOS are affected by the attack approach?, p. five iOS a few is influenced updated: installment payments on your 12 Do they offer a patch obtainable?, p. 8 iOS five provides a few fixes updated: 2 . 13 What are minimization options from the experience?, s. 9 up-to-date to reflect iOS five changes current: 2 . of sixteen Some account details are not accessible with the proven method. Won't this confirm the general protection of the employed concept?, s. 10 updated to reflect iOS five changes updated: 2 . 18 Does the presented attack nonetheless work in iOS 5?, l. 10 up to date with final iOS your five test results updated: 2 . 19 Which devices will be in danger?, l. 11 added iPhone 4S (currently unaffected) up to date: Appendix A Protection School Overview, p. 13

Fraunhofer SIT iOS Keychain Weak point FAQ

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keychain admittance classifications of final iOS 5 release 1 . 4 2011-09-23 up-to-date: 2 . 15 Is the iOS keychain in general insecure?, p. 9 Fixed broken reference point 1 . three or more 2011-09-13 up-to-date: 2 . 1 Which types of iOS are affected by the attack technique?, p. 5 (Tests of iOS firmware 5. zero beta7 show an improved keychain implementation; even more results will be released to get final version) updated: installment payments on your 12 Is there a patch obtainable?, p. 8 updated: 2 . 17 Does the presented assault still operate iOS five?, p. 15 1 . 2 2011-09-01 updated: 2 . 1 Which editions of iOS are affected by the attack method?, p. your five (iOS firmwares 4. three or more. 4, some. 3. 5, 5. zero beta2 included with affected types, description from the protection classes) added: Appendix A Protection Class Overview, p. 13 (up-to-date dining tables of keychain entry classifications) added: 2 . 17 Does the presented assault still operate iOS five?, p. twelve added: installment payments on your 18 Exactly what are the effects the moment no passcode is set?, g. 11 added: 2 . 19 Which products are at risk?, p. 10 1 . 1 2011-05-06 up-to-date: 2 . one particular Which types of iOS are affected by the attack approach?, p. a few (iOS firmware 4. three or more. 3 included with affected versions) 1 . 0 2011-04-20 (First version)

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