ID

VAR-201702-0248

CVE

CVE-2016-7651

TITLE

Apple iOS and watchOS Vulnerabilities that bypass authentication restrictions in the account component

DESCRIPTION

An issue was discovered in certain Apple products. iOS before 10.2 is affected. watchOS before 3.1.1 is affected. The issue involves the "Accounts" component, which allows local users to bypass intended authorization restrictions by leveraging the mishandling of an app uninstall. Apple iOS and watchOS are prone to a security bypass vulnerability. Attackers can exploit this issue to bypass security restrictions and perform unauthorized actions. An attacker could exploit this vulnerability to make it impossible for users to reset the authorization settings for uninstalling applications. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 APPLE-SA-2017-01-23-3 watchOS 3.1.3 watchOS 3.1.3 is now available and addresses the following: Accounts Available for: All Apple Watch models Impact: Uninstalling an app did not reset the authorization settings Description: An issue existed which did not reset the authorization settings on app uninstall. This issue was addressed through improved sanitization. CVE-2016-7651: Ju Zhu and Lilang Wu of Trend Micro Audio Available for: All Apple Watch models Impact: Processing a maliciously crafted file may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7658: Haohao Kong of Keen Lab (@keen_lab) of Tencent CVE-2016-7659: Haohao Kong of Keen Lab (@keen_lab) of Tencent Auto Unlock Available for: All Apple Watch models 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 CoreFoundation Available for: All Apple Watch models Impact: Processing maliciously crafted strings may lead to an unexpected application termination or arbitrary code execution Description: A memory corruption issue existed in the processing of strings. This issue was addressed through improved bounds checking. CVE-2016-7663: an anonymous researcher CoreGraphics Available for: All Apple Watch models Impact: Processing a maliciously crafted font file may lead to unexpected application termination Description: A null pointer dereference was addressed through improved input validation. CVE-2016-7627: TRAPMINE Inc. & Meysam Firouzi @R00tkitSMM CoreMedia Playback Available for: All Apple Watch models Impact: Processing a maliciously crafted .mp4 file may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-7588: dragonltx of Huawei 2012 Laboratories CoreText Available for: All Apple Watch models Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking. CVE-2016-7595: riusksk(ae3aY=) of Tencent Security Platform Department Disk Images Available for: All Apple Watch models Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7616: daybreaker@Minionz working with Trend Micro's Zero Day Initiative FontParser Available for: All Apple Watch models Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking. CVE-2016-4691: riusksk(ae3aY=) of Tencent Security Platform Department FontParser Available for: All Apple Watch models Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: A buffer overflow existed in the handling of font files. This issue was addressed through improved bounds checking. CVE-2016-4688: Simon Huang of Alipay company, thelongestusernameofall@gmail.com ICU Available for: All Apple Watch models Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-7594: AndrA(c) Bargull ImageIO Available for: All Apple Watch models Impact: A remote attacker may be able to leak memory Description: An out-of-bounds read was addressed through improved bounds checking. CVE-2016-7643: Yangkang (@dnpushme) of Qihoo360 Qex Team IOHIDFamily Available for: All Apple Watch models Impact: A local application with system privileges may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed through improved memory management. CVE-2016-7591: daybreaker of Minionz IOKit Available for: All Apple Watch models Impact: An application may be able to read kernel memory Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7657: Keen Lab working with Trend Micro's Zero Day Initiative Kernel Available for: All Apple Watch models Impact: An application may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed through improved input validation. CVE-2016-7606: Chen Qin of Topsec Alpha Team (topsec.com), @cocoahuke CVE-2016-7612: Ian Beer of Google Project Zero Kernel Available for: All Apple Watch models Impact: An application may be able to read kernel memory Description: An insufficient initialization issue was addressed by properly initializing memory returned to user space. CVE-2016-7607: Brandon Azad Kernel Available for: All Apple Watch models Impact: A local user may be able to cause a system denial of service Description: A denial of service issue was addressed through improved memory handling. CVE-2016-7615: The UK's National Cyber Security Centre (NCSC) Kernel Available for: All Apple Watch models Impact: A local user may be able to cause an unexpected system termination or arbitrary code execution in the kernel Description: A use after free issue was addressed through improved memory management. CVE-2016-7621: Ian Beer of Google Project Zero Kernel Available for: All Apple Watch models Impact: A local user may be able to gain root privileges Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7637: Ian Beer of Google Project Zero Kernel Available for: All Apple Watch models Impact: A local application with system privileges may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed through improved memory management. CVE-2016-7644: Ian Beer of Google Project Zero Kernel Available for: All Apple Watch models 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 Kernel Available for: All Apple Watch models 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 libarchive Available for: All Apple Watch models Impact: A local attacker may be able to overwrite existing files Description: A validation issue existed in the handling of symlinks. This issue was addressed through improved validation of symlinks. CVE-2016-7619: an anonymous researcher libarchive Available for: All Apple Watch models 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 Profiles Available for: All Apple Watch models Impact: Opening a maliciously crafted certificate may lead to arbitrary code execution Description: A memory corruption issue existed in the handling of certificate profiles. This issue was addressed through improved input validation. CVE-2016-7626: Maksymilian Arciemowicz (cxsecurity.com) Security Available for: All Apple Watch models Impact: An attacker may be able to exploit weaknesses in the 3DES cryptographic algorithm Description: 3DES was removed as a default cipher. CVE-2016-4693: GaA<<tan Leurent and Karthikeyan Bhargavan from INRIA Paris Security Available for: All Apple Watch models Impact: An attacker in a privileged network position may be able to cause a denial of service Description: A validation issue existed in the handling of OCSP responder URLs. This issue was addressed by verifying OCSP revocation status after CA validation and limiting the number of OCSP requests per certificate. CVE-2016-7636: Maksymilian Arciemowicz (cxsecurity.com) Security Available for: All Apple Watch models Impact: Certificates may be unexpectedly evaluated as trusted Description: A certificate evaluation issue existed in certificate validation. This issue was addressed through additional validation of certificates. CVE-2016-7662: Apple syslog Available for: All Apple Watch models Impact: A local user may be able to gain root privileges Description: An issue in mach port name references was addressed through improved validation. CVE-2016-7660: Ian Beer of Google Project Zero WebKit Available for: All Apple Watch models Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved state management. CVE-2016-7589: Apple WebKit Available for: All Apple Watch models Impact: Processing maliciously crafted web content may exfiltrate data cross-origin Description: Multiple validation issues existed in the handling of page loading. This issue was addressed through improved logic. CVE-2017-2363: lokihardt of Google Project Zero Installation note: Instructions on how to update your Apple Watch software are available at https://support.apple.com/kb/HT204641 To check the version on your Apple Watch, open the Apple Watch app on your iPhone and select "My Watch > General > About". Alternatively, on your watch, select "My Watch > General > About". 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----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJYgqLhAAoJEIOj74w0bLRGGHoQAN1fT/3R7qBCadclKXvxfs49 97/3sMt5Daw9EQjmw7/ye3Xc4lMR7rw5swBlKJDsKahn3qu95nhPk+zbxBW1jmeQ 1W6yr+SQoYZURxQoQ30qmyNQgEBjmk+nJlUN3SE8feibfGdRJBIHNDho9XBeRqvU Bv64p1IRx8jo+YL98qCt3YZIcsR33e/mdpxVX+HJzCu/gXiEW4vma6Bpn6QOji0C xY4hebFBdLdZXgDvmcqvz89BUfVM9Sk3gC92wpPPMRVKom1R9cuLAEUA2Xiuendy VL7oHlERk+jChy/qRVmeVtk8l5fETNN5jFm1w39jWSt8BgZopshEhfRTYBPxiYxL 9Ah7PYfwyZWUj1VTwbnvdec44CQBX2/XIITfThPjX79811lJ65iS4PmNAvXAPAzF mfKq9/94KB02StTMaVQMxQo3798PdjmW882SoAK0M5GHhf8e7wRAi6Tge7g5zPEe cG+rcCdNqwH+7StQJnW1keHcU5GWPESFNSYiGVtbkGi5/KKUPbqsMFCpf4AiGQbK nE9HOaS1qSkThvet0H+68Ec1UAGTWhXkNbIyxJGAutQnETzOJF97nb8elOzZK1MN C6Liplz1bpGjNO9sXljdRh6KYThmDM7oy3NoJXhY9Rwy3LnJinIp0iEis9IMkHdA YQ7bZyojEtZl7UHDHJVE =RfaO -----END PGP SIGNATURE----- . CVE-2016-7634: Davut Hari Accessibility Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later Impact: A person with physical access to an iOS device may be able to access photos and contacts from the lock screen Description: A lock screen issue allowed access to photos and contacts on a locked device. CVE-2016-4690: Andy Davis of NCC Group Local Authentication Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later Impact: The device may not lock the screen after the idle timeout Description: A logic issue existed in the handling of the idle timer when the Touch ID prompt is shown. CVE-2016-7601: an anonymous researcher Mail Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later Impact: An email signed with a revoked certificate may appear valid Description: S/MIME policy failed to check if a certificate was valid. This issue was addressed by notifying a user if an email was signed with a revoked certificate. CVE-2016-7626: Maksymilian Arciemowicz (cxsecurity.com) SpringBoard Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later Impact: A person with physical access to an iOS device may be able to unlock the device Description: In some cases, a counter issue existed in the handling of passcode attempts when resetting the passcode. CVE-2016-4781: an anonymous researcher SpringBoard Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later Impact: A person with physical access to an iOS device may be able to keep the device unlocked Description: A cleanup issue existed in the handling of Handoff with Siri. CVE-2016-7597: an anonymous researcher 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 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 "10.2"

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

local

TYPE

lack of information

CONFIGURATIONS

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Ju Zhu and Lilang Wu of Trend Micro.

SOURCES

LAST UPDATE DATE

2025-04-20T20:50:03.688000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE