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GeezerVison is showing support.apple.com — About the security content of iOS 12.4 - Apple Support

    About the security content of iOS 12.4

    This document describes the security content of iOS 12.4.

    About Apple security updates

    For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

    Apple security documents reference vulnerabilities by CVE-ID when possible.

    For more information about security, see the Apple Product Security page.

    iOS 12.4

    Released July 22, 2019

    Bluetooth

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic (Key Negotiation of Bluetooth - KNOB)

    Description: An input validation issue existed in Bluetooth. This issue was addressed with improved input validation.

    CVE-2019-9506: Daniele Antonioli of SUTD, Singapore, Dr. Nils Ole Tippenhauer of CISPA, Germany, and Prof. Kasper Rasmussen of University of Oxford, England

    The changes for this issue mitigate CVE-2020-10135.

    Entry added August 13, 2019, updated June 25, 2020

    Core Data

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A remote attacker may be able to leak memory

    Description: An out-of-bounds read was addressed with improved input validation.

    CVE-2019-8646: natashenka of Google Project Zero

    Core Data

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A remote attacker may be able to cause arbitrary code execution

    Description: A use after free issue was addressed with improved memory management.

    CVE-2019-8647: Samuel Groß and natashenka of Google Project Zero

    Core Data

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution

    Description: A memory corruption issue was addressed with improved input validation.

    CVE-2019-8660: Samuel Groß and natashenka of Google Project Zero

    FaceTime

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A remote attacker may be able to cause arbitrary code execution

    Description: A memory corruption issue was addressed with improved input validation.

    CVE-2019-8648: Tao Huang and Tielei Wang of Team Pangu

    Found in Apps

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A remote attacker may be able to leak memory

    Description: This issue was addressed with improved checks.

    CVE-2019-8663: natashenka of Google Project Zero

    Game Center

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A local user may be able to read a persistent account identifier

    Description: This issue was addressed with a new entitlement.

    CVE-2019-8702: Min (Spark) Zheng and Xiaolong Bai of Alibaba Inc.

    Entry added February 24, 2020

    Heimdal

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: An issue existed in Samba that may allow attackers to perform unauthorized actions by intercepting communications between services

    Description: This issue was addressed with improved checks to prevent unauthorized actions.

    CVE-2018-16860: Isaac Boukris and Andrew Bartlett of the Samba Team and Catalyst

    Image Processing

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: Processing a maliciously crafted image may lead to a denial of service

    Description: A denial of service issue was addressed with improved validation.

    CVE-2019-8668: an anonymous researcher

    Entry added October 8, 2019

    libxslt

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A remote attacker may be able to view sensitive information

    Description: A stack overflow was addressed with improved input validation.

    CVE-2019-13118: found by OSS-Fuzz

    Messages

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A remote attacker may cause an unexpected application termination

    Description: A denial of service issue was addressed with improved validation.

    CVE-2019-8665: Michael Hernandez of XYZ Marketing

    Profiles

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A malicious application may be able to restrict access to websites

    Description: A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement.

    CVE-2019-8698: Luke Deshotels, Jordan Beichler, and William Enck of North Carolina State University; Costin Carabaș and Răzvan Deaconescu of University POLITEHNICA of Bucharest

    Quick Look

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: An attacker may be able to trigger a use-after-free in an application deserializing an untrusted NSDictionary

    Description: This issue was addressed with improved checks.

    CVE-2019-8662: natashenka and Samuel Groß of Google Project Zero

    Siri

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A remote attacker may be able to leak memory

    Description: An out-of-bounds read was addressed with improved input validation.

    CVE-2019-8646: natashenka of Google Project Zero

    Telephony

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: The initiator of a phone call may be able to cause the recipient to answer a simultaneous Walkie-Talkie connection

    Description: A logic issue existed in the answering of phone calls. The issue was addressed with improved state management.

    CVE-2019-8699: Marius Alexandru Boeru (@mboeru) and an anonymous researcher

    Entry updated July 25, 2019

    UIFoundation

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: Parsing a maliciously crafted office document may lead to an unexpected application termination or arbitrary code execution

    Description: An out-of-bounds read was addressed with improved input validation.

    CVE-2019-8657: riusksk of VulWar Corp working with Trend Micro's Zero Day Initiative

    Wallet

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: A user may inadvertently complete an in-app purchase while on the lock screen

    Description: The issue was addressed with improved UI handling.

    CVE-2019-8682: Jeff Braswell (JeffBraswell.com)

    WebKit

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: Processing maliciously crafted web content may lead to universal cross site scripting

    Description: A logic issue existed in the handling of document loads. This issue was addressed with improved state management.

    CVE-2019-8690: Sergei Glazunov of Google Project Zero

    WebKit

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: Processing maliciously crafted web content may lead to universal cross site scripting

    Description: A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management.

    CVE-2019-8649: Sergei Glazunov of Google Project Zero

    WebKit

    Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation and later

    Impact: Processing maliciously crafted web content may lead to universal cross site scripting

    Description: A logic issue was addressed with improved state management.

    CVE-2019-8658: akayn working with Trend Micro's Zero Day Initiative

    WebKit

    Available for: iPhone 5s and later, iPad Air and later, and 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 with improved memory handling.

    CVE-2019-8644: G. Geshev working with Trend Micro's Zero Day Initiative

    CVE-2019-8666: Zongming Wang (王宗明) and Zhe Jin (金哲) from Chengdu Security Response Center of Qihoo 360 Technology Co. Ltd.

    CVE-2019-8669: akayn working with Trend Micro's Zero Day Initiative

    CVE-2019-8671: Apple

    CVE-2019-8672: Samuel Groß of Google Project Zero

    CVE-2019-8673: Soyeon Park and Wen Xu of SSLab at Georgia Tech

    CVE-2019-8676: Soyeon Park and Wen Xu of SSLab at Georgia Tech

    CVE-2019-8677: Jihui Lu of Tencent KeenLab

    CVE-2019-8678: Anthony Lai (@darkfloyd1014) of Knownsec, Ken Wong (@wwkenwong) of VXRL, Jeonghoon Shin (@singi21a) of Theori, Johnny Yu (@straight_blast) of VX Browser Exploitation Group, Chris Chan (@dr4g0nfl4me) of VX Browser Exploitation Group, Phil Mok (@shadyhamsters) of VX Browser Exploitation Group, Alan Ho (@alan_h0) of Knownsec, Byron Wai of VX Browser Exploitation, P1umer of ADLab of Venustech

    CVE-2019-8679: Jihui Lu of Tencent KeenLab

    CVE-2019-8680: Jihui Lu of Tencent KeenLab

    CVE-2019-8681: G. Geshev working with Trend Micro Zero Day Initiative

    CVE-2019-8683: lokihardt of Google Project Zero

    CVE-2019-8684: lokihardt of Google Project Zero

    CVE-2019-8685: akayn, Dongzhuo Zhao working with ADLab of Venustech, Ken Wong (@wwkenwong) of VXRL, Anthony Lai (@darkfloyd1014) of VXRL, and Eric Lung (@Khlung1) of VXRL

    CVE-2019-8686: G. Geshev working with Trend Micro's Zero Day Initiative

    CVE-2019-8687: Apple

    CVE-2019-8688: Insu Yun of SSLab at Georgia Tech

    CVE-2019-8689: lokihardt of Google Project Zero

    Entry updated September 11, 2019

    Additional recognition

    Game Center

    We would like to acknowledge Min (Spark) Zheng and Xiaolong Bai of Alibaba Inc. for their assistance.

    MobileInstallation

    We would like to acknowledge Dany Lisiansky (@DanyL931) for their assistance.

    Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Contact the vendor for additional information.

    Published Date: October 31, 2023
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