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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.3121 APPLE-SA-2017-12-6-2 iOS 11.2 7 December 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: iOS Publisher: Apple Operating System: Mac OS Impact/Access: Root Compromise -- Existing Account Access Privileged Data -- Remote/Unauthenticated Denial of Service -- Existing Account Provide Misleading Information -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2017-13879 CVE-2017-13876 CVE-2017-13874 CVE-2017-13869 CVE-2017-13868 CVE-2017-13867 CVE-2017-13865 CVE-2017-13862 CVE-2017-13861 CVE-2017-13860 CVE-2017-13855 CVE-2017-13847 CVE-2017-13833 CVE-2017-13080 Reference: ESB-2017.3120 Original Bulletin: https://support.apple.com/en-au/HT208334 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 APPLE-SA-2017-12-6-2 iOS 11.2 iOS 11.2 addresses the following: IOKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to execute arbitrary code with system privileges Description: Multiple memory corruption issues were addressed through improved state management. CVE-2017-13847: Ian Beer of Google Project Zero IOMobileFrameBuffer Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to execute arbitrary code with kernel privilege Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13879: Apple IOSurface Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13861: Ian Beer of Google Project Zero Kernel Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13862: Apple CVE-2017-13876: Ian Beer of Google Project Zero Kernel Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2017-13833: Brandon Azad Kernel Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to read restricted memory Description: A type confusion issue was addressed with improved memory handling. CVE-2017-13855: Jann Horn of Google Project Zero Kernel Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13867: Ian Beer of Google Project Zero Kernel Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2017-13865: Ian Beer of Google Project Zero CVE-2017-13868: Brandon Azad CVE-2017-13869: Jann Horn of Google Project Zero Mail Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Incorrect certificate is used for encryption Description: A S/MIME issue existed in the handling of encrypted email. This issue was addressed through improved selection of the encryption certificate. CVE-2017-13874: an anonymous researcher Mail Drafts Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An attacker with a privileged network position may be able to intercept mail Description: An encryption issue existed with S/MIME credetials. The issue was addressed with additional checks and user control. CVE-2017-13860: Michael Weishaar of INNEO Solutions GmbH Wi-Fi Available for: iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 6 Plus, iPhone SE, iPhone 5s, 12.9-inch iPad Pro 1st generation, iPad Air 2, iPad Air, iPad 5th generation, iPad mini 4, iPad mini 3, iPad mini 2, and iPod touch 6th generation Released for iPhone 7 and later and iPad Pro 9.7-inch (early 2016) and later in iOS 11.1. Impact: An attacker in Wi-Fi range may force nonce reuse in WPA multicast/GTK clients (Key Reinstallation Attacks - KRACK) Description: A logic issue existed in the handling of state transitions. This was addressed with improved state management. CVE-2017-13080: Mathy Vanhoef of the imec-DistriNet group at KU Leuven Installation note: This update is available through iTunes and Software Update on your iOS device, and will not appear in your computer's Software Update application, or in the Apple Downloads site. Make sure you have an Internet connection and have installed the latest version of iTunes from https://www.apple.com/itunes/ iTunes and Software Update on the device will automatically check Apple's update server on its weekly schedule. When an update is detected, it is downloaded and the option to be installed is presented to the user when the iOS device is docked. We recommend applying the update immediately if possible. Selecting Don't Install will present the option the next time you connect your iOS device. The automatic update process may take up to a week depending on the day that iTunes or the device checks for updates. You may manually obtain the update via the Check for Updates button within iTunes, or the Software Update on your device. To check that the iPhone, iPod touch, or iPad has been updated: * Navigate to Settings * Select General * Select About. The version after applying this update will be "11.2". Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ - -----BEGIN PGP SIGNATURE----- iQJdBAEBCgBHFiEEcuX4rtoRe4X62yWlg6PvjDRstEYFAlooN+gpHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQg6PvjDRstEYDcQ// Q65i3ww4QzpeKJFL+7HA/S7GjzL01/Gmw0CirxBIdFVuOlOm5w6PKfXl7U+UPcdf jJZoIF7Jc5A34FR0szXHsy17kDwaT2fLGTkDJkdNvw3Utw2/MmmBFuaS4SIs3y/+ rXeLWfvCpaJcOLGdhHzM8ubP/k5MLTFopWvUdNeb1lrxxd91xnqibe4TrSs2dVBj gwEIBVfIWeLNaaEscujIRHxv/7f2szzxORzrZx+kXY/ar5HQMKqdlx9yuMetkuXx mT7dUV0ZkKlD73gJBtsHOkyGVUJWThg/xkGpXv11pTt2P/Xo/rhrucK5lcBuiUeJ NBb9isZmzBOf1rmfR/7cTMr/guY29kqN24+XYFLOiHlvBl43QZv5Hj2JiSyP8jVr LKLtBMk/2JLdSH4sFH9kgJ2kB0NB5raiS9CxsNiNmhftvSt9iB19vybr7B04SVBw hCsTA4HrdHVgbp4PSs4kAR/kpmT4yj0ms6++RCDggqZsk4M1uzagokAukqp3ou/k 0qkbjw1uciRAHlED6NmzrZ/aRWS+ASJAkLLCRE07IHGQJt8g2UUMipnPhsM+jA6u GnBD6cJHaTIdvHPEii5XVdynrsBG7Zb1txZsVUoNaa2jV4JBNihVv0Q2xjDxC5CI vyQU45YrbuD1sgtMoBdJhCznxWnQLt3A4LsKRsDy/00= =/F1Z - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWiiDpox+lLeg9Ub1AQgV2A//WREKNdJRYSD+onxOX1whmadc0Oi7BofE Kwlt71lU2P3Qs0LjiiHRHr0K+w/hV3mSEL4lzifdR0Lcf+aMddas/avOiYdAJFXZ dOdzsDA0pfdHrT+24eTldzY5dJ1q/DYeXrlBWXFWFWcK7C/15QlCDoUbxBxP4IvP fvYH2V2UXNUooGeEDgBbuQzX8lRwGTP38xlgVXMHK7jJ6pudhpu+qzjMN2FCTOYG TFsyr/aRswX3lVQyu12KtWYs6w0CZACd5hudCe9cn+71bh2+Q7Io3F+iPYi2GXyl iKSOBHIztwbJWoc795kPR5d9oS2V6I75cGpMYcTiVfb1sb4MtbCYb5wt1zIpvGEU 5PsmYIgx/ECURg4M2f/aNWHJo1fIGrhpevzA+3He8PsSArF92gT2t+8ys3/08zu/ Ln1A+IRtPKPrwWneAPjeeidYcU0ViIxuR/Hqj5GpPHGr6kB5easQF2c3z3MwGL19 wa1nvWj2+Y5woSt3k/WofteC6E7woy9oqJvzR4+4Qqn9HwAs7T49rHO9VgYqxJ0C IKd2PTEavPA0ZlJqCxB/6/N2GYvkp8rcEAohKu+KpcDuUipf5pTCIKuMmx2xgKy4 AIHJRwW596ljp/gbWOF30SUxdTBhB+jH0hefeHxgGsBD6eHdzkNvavSWBOv+8UNc 2RC0ry/oGa8= =yQDD -----END PGP SIGNATURE-----