iOS 10.2.1
Released January 23, 2017
Auto UnlockAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Auto Unlock may unlock when Apple Watch is off the user's wrist
Description: A logic issue was addressed through improved state management.
CVE-2017-2352: Ashley Fernandez of raptAware Pty Ltd
ContactsAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing a maliciously crafted contact card may lead to unexpected application termination
Description: An input validation issue existed in the parsing of contact cards. This issue was addressed through improved input validation.
CVE-2017-2368: Vincent Desmurs (vincedes3)
KernelAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A buffer overflow issue was addressed through improved memory handling.
CVE-2017-2370: Ian Beer of Google Project Zero
KernelAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A use after free issue was addressed through improved memory management.
CVE-2017-2360: Ian Beer of Google Project Zero
libarchiveAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Unpacking a maliciously crafted archive may lead to arbitrary code execution
Description: A buffer overflow issue was addressed through improved memory handling.
CVE-2016-8687: Agostino Sarubbo of Gentoo
WebKitAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may exfiltrate data cross-origin
Description: A prototype access issue was addressed through improved exception handling.
CVE-2017-2350: Gareth Heyes of Portswigger Web Security
WebKitAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed through improved memory handling.
CVE-2017-2354: Neymar of Tencent's Xuanwu Lab (tencent.com) working with Trend Micro's Zero Day Initiative
CVE-2017-2362: Ivan Fratric of Google Project Zero
CVE-2017-2373: Ivan Fratric of Google Project Zero
WebKitAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory initialization issue was addressed through improved memory handling.
CVE-2017-2355: Team Pangu and lokihardt at PwnFest 2016
WebKitAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed through improved input validation.
CVE-2017-2356: Team Pangu and lokihardt at PwnFest 2016
CVE-2017-2369: Ivan Fratric of Google Project Zero
CVE-2017-2366: Kai Kang of Tencent's Xuanwu Lab (tencent.com)
WebKitAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may exfiltrate data cross-origin
Description: A validation issue existed in the handling of page loading. This issue was addressed through improved logic.
CVE-2017-2363: lokihardt of Google Project Zero
CVE-2017-2364: lokihardt of Google Project Zero
WebKitAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A malicious website can open popups
Description: An issue existed in the handling of blocking popups. This was addressed through improved input validation.
CVE-2017-2371: lokihardt of Google Project Zero
WebKitAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may exfiltrate data cross-origin
Description: A validation issue existed in the handling of variable handling. This issue was addressed through improved validation.
CVE-2017-2365: lokihardt of Google Project Zero
WiFiAvailable for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An activation-locked device can be manipulated to briefly present the home screen
Description: An issue existed with handling user input that caused a device to present the home screen even when activation locked. This was addressed through improved input validation.
CVE-2017-2351: Sriram (@Sri_Hxor) of Primefort Pvt. Ltd., Hemanth Joseph
Additional recognition
WebKit hardening
We would like to acknowledge Ben Gras, Kaveh Razavi, Erik Bosman, Herbert Bos, and Cristiano Giuffrida of the vusec group at Vrije Universiteit Amsterdam for their assistance.
This thing is chock full of security fixes!