-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 APPLE-SA-2018-3-29-1 iOS 11.3 iOS 11.3 is now available and addresses the following: Clock Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A person with physical access to an iOS device may be able to see the email address used for iTunes Description: An information disclosure issue existed in the handling of alarms and timers. This issue was addressed through improved access restrictions. CVE-2018-4123: Zaheen Hafzar M M (@zaheenhafzer) CoreFoundation Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4155: Samuel Groß (@5aelo) CVE-2018-4158: Samuel Groß (@5aelo) CoreText Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing a maliciously crafted string may lead to a denial of service Description: A denial of service issue was addressed through improved memory handling. CVE-2018-4142: Robin Leroy of Google Switzerland GmbH File System Events Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4167: Samuel Groß (@5aelo) Files Widget Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: File Widget may display contents on a locked device Description: The File Widget was displaying cached data when in the locked state. This issue was addressed with improved state management. CVE-2018-4168: Brandon Moore Find My iPhone Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A person with physical access to the device may be able to disable Find My iPhone without entering an iCloud password Description: A state management issue existed when restoring from a back up. This issue was addressed through improved state checking during restore. CVE-2018-4172: Viljami Vastamäki iCloud Drive Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4151: Samuel Groß (@5aelo) 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: Multiple memory corruption issues were addressed with improved memory handling. CVE-2018-4150: an anonymous researcher 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-2018-4104: The UK's National Cyber Security Centre (NCSC) 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-2018-4143: derrek (@derrekr6) Mail Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An attacker in a privileged network position may be able to intercept the contents of S/MIME-encrypted e-mail Description: An inconsistent user interface issue was addressed with improved state management. CVE-2018-4174: an anonymous researcher, an anonymous researcher NSURLSession Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4166: Samuel Groß (@5aelo) PluginKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4156: Samuel Groß (@5aelo) Quick Look Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4157: Samuel Groß (@5aelo) Safari Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Visiting a malicious website by clicking a link may lead to user interface spoofing Description: An inconsistent user interface issue was addressed with improved state management. CVE-2018-4134: xisigr of Tencent's Xuanwu Lab (tencent.com), Zhiyang Zeng (@Wester) of Tencent Security Platform Department Safari Login AutoFill Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A malicious website may be able to exfiltrate autofilled data in Safari without explicit user interaction. Description: Safari autofill did not require explicit user interaction before taking place. The issue was addressed through improved autofill heuristics. CVE-2018-4137: SafariViewController Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Visiting a malicious website may lead to user interface spoofing Description: A state management issue was addressed by disabling text input until the destination page loads. CVE-2018-4149: Abhinash Jain (@abhinashjain) Security Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A malicious application may be able to elevate privileges Description: A buffer overflow was addressed with improved size validation. CVE-2018-4144: Abraham Masri (@cheesecakeufo) Storage Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4154: Samuel Groß (@5aelo) System Preferences Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A configuration profile may incorrectly remain in effect after removal Description: An issue existed in CFPreferences. This issue was addressed through improved preferences cleanup. CVE-2018-4115: Johann Thalakada, Vladimir Zubkov, and Matt Vlasach of Wandera Telephony Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A remote attacker can cause a device to unexpectedly restart Description: A null pointer dereference issue existed when handling Class 0 SMS messages. This issue was addressed through improved message validation. CVE-2018-4140: @mjonsson, Arjan van der Oest of Voiceworks BV Web App Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Cookies may unexpectedly persist in web app Description: A cookie management issue was addressed through improved state management. CVE-2018-4110: Ben Compton and Jason Colley of Cerner Corporation WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2018-4101: Yuan Deng of Ant-financial Light-Year Security Lab CVE-2018-4114: found by OSS-Fuzz CVE-2018-4118: Jun Kokatsu (@shhnjk) CVE-2018-4119: an anonymous researcher working with Trend Micro's Zero Day Initiative CVE-2018-4120: Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team CVE-2018-4121: Natalie Silvanovich of Google Project Zero CVE-2018-4122: WanderingGlitch of Trend Micro's Zero Day Initiative CVE-2018-4125: WanderingGlitch of Trend Micro's Zero Day Initiative CVE-2018-4127: an anonymous researcher working with Trend Micro's Zero Day Initiative CVE-2018-4128: Zach Markley CVE-2018-4129: likemeng of Baidu Security Lab working with Trend Micro's Zero Day Initiative CVE-2018-4130: Omair working with Trend Micro's Zero Day Initiative CVE-2018-4161: WanderingGlitch of Trend Micro's Zero Day Initiative CVE-2018-4162: WanderingGlitch of Trend Micro's Zero Day Initiative CVE-2018-4163: WanderingGlitch of Trend Micro's Zero Day Initiative CVE-2018-4165: Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Unexpected interaction with indexing types causing an ASSERT failure Description: An array indexing issue existed in the handling of a function in javascript core. This issue was addressed through improved checks. CVE-2018-4113: found by OSS-Fuzz WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: Processing maliciously crafted web content may lead to a denial of service Description: A memory corruption issue was addressed through improved input validation. CVE-2018-4146: found by OSS-Fuzz WebKit Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: A malicious website may exfiltrate data cross-origin Description: A cross-origin issue existed with the fetch API. This was addressed through improved input validation. CVE-2018-4117: an anonymous researcher, an anonymous researcher WindowServer Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Impact: An unprivileged application may be able to log keystrokes entered into other applications even when secure input mode is enabled Description: By scanning key states, an unprivileged application could log keystrokes entered into other applications even when secure input mode was enabled. This issue was addressed by improved state management. CVE-2018-4131: Andreas Hegenberg of folivora.AI GmbH Additional recognition WebKit We would like to acknowledge Johnny Nipper of Tinder Security Team for their assistance. 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 "11.3". 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----- iQJdBAEBCgBHFiEEcuX4rtoRe4X62yWlg6PvjDRstEYFAlq9GlopHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQg6PvjDRstEbhLRAA to9k0U/CI3PfYp2o2lluS7LgE3jvA7+pXvdjbvoh14BFHf9Wv+yhdtyLQEDSne+0 TM8BkiMgEmo+uKKcVFCDeV9GrkWqO7ocBfT65hj4A/vxPAS6xlBTV9mjZXiqvSWs +Cbb4Nd53o6m2QRORkjNVZ2h0ow53J5RirnyzjWt4LMdCpc4jMG87OCuQheKzjxq g6gOlwblVrRxH6aMX5if/SetGGxzZeY5sKwe1Xhz6yIYsm1Gw45REt3FJs4KEh5Z oL+yWVvaGLOPDzC+DBX0dXJmsqLx9wzDJsqQ2J6Mb/nh1Tgh6NDdHkDCAZ7P6CeU 0IpXK7aaPkRy5GUbkAdzdPEFql9e0/jGlqMf/rZlNTItbgtn0+9e2zsJ0UPPRcWi +7IQygkXnXmYUZ0wrh/Wdye/jAJZpLdsUuWr1RalTdmDASU/tzgpoglf3EyTQoRy IqFGRSe6+no8Pw1qCLUvZz8C6dTKvE+Jv5oe9XbCEjsvpRmQZK64FiQ0HIaAMHKo Rl9OY6+evzyqdAtivE4AFCRT7Z15pktFYAVefWkdVFbVU2mCYF+peXIq6tGg4o+g 70E29XaDZBakcVho9bW4e2rDA+m606ILuZ4AyjEEvfRYH+d+WTvDqdIywq0V7grj qlU787sRw/tVx646jcHVqbYZEgZVmeAvcT8C2c0Zhvo= =RJi8 -----END PGP SIGNATURE-----
