About the security content of iOS 13.1 and iPadOS 13.1

This document describes the security content of iOS 13.1 and iPadOS 13.1.

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iOS 13.1 and iPadOS 13.1

Released September 24, 2019

iOS 13.1 and iPadOS 13.1 include the security content of iOS 13.

AppleFirmwareUpdateKext

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A memory corruption vulnerability was addressed with improved locking.

CVE-2019-8747: Mohamed Ghannam (@_simo36)

Entry added October 29, 2019

Audio

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution

Description: A memory corruption issue was addressed with improved state management.

CVE-2019-8706: Yu Zhou of Ant-financial Light-Year Security Lab

Entry added October 29, 2019

Books

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service

Description: A resource exhaustion issue was addressed with improved input validation.

CVE-2019-8774: Gertjan Franken imec-DistriNet of KU Leuven

Entry added October 29, 2019

Kernel

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A memory corruption vulnerability was addressed with improved locking.

CVE-2019-8740: Mohamed Ghannam (@_simo36)

Entry added October 29, 2019

Kernel

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

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

Description: A validation issue was addressed with improved logic.

CVE-2019-8809: Apple

Entry added October 29, 2019

Kernel

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: A malicious application may be able to determine kernel memory layout

Description: The issue was addressed with improved permissions logic.

CVE-2019-8780: Siguza

Entry added October 8, 2019

libxslt

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: Multiple issues in libxslt

Description: Multiple memory corruption issues were addressed with improved input validation.

CVE-2019-8750: found by OSS-Fuzz

Entry added October 29, 2019

mDNSResponder

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: An attacker in physical proximity may be able to passively observe device names in AWDL communications

Description: This issue was resolved by replacing device names with a random identifier.

CVE-2019-8799: David Kreitschmann and Milan Stute of Secure Mobile Networking Lab at Technische Universität Darmstadt

Entry added October 29, 2019

UIFoundation

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: An application may be able to execute arbitrary code with system privileges

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2019-8831: riusksk of VulWar Corp working with Trend Micro's Zero Day Initiative

Entry added November 18, 2019

VoiceOver

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: A person with physical access to an iOS device may be able to access contacts from the lock screen

Description: The issue was addressed by restricting options offered on a locked device.

CVE-2019-8775: videosdebarraquito

WebKit

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: Visiting a maliciously crafted website may reveal browsing history

Description: An issue existed in the drawing of web page elements. The issue was addressed with improved logic.

CVE-2019-8769: Piérre Reimertz (@reimertz)

Entry added October 8, 2019

WebKit

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th 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-2019-8710: found by OSS-Fuzz

CVE-2019-8743: zhunki from Codesafe Team of Legendsec at Qi'anxin Group

CVE-2019-8751: Dongzhuo Zhao working with ADLab of Venustech

CVE-2019-8752: Dongzhuo Zhao working with ADLab of Venustech

CVE-2019-8763: Sergei Glazunov of Google Project Zero

CVE-2019-8765: Samuel Groß of Google Project Zero

CVE-2019-8766: found by OSS-Fuzz

CVE-2019-8773: found by OSS-Fuzz

Entry added October 8, 2019, updated October 29, 2019

WebKit

Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

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

Description: A validation issue was addressed with improved logic.

CVE-2019-8762: Sergei Glazunov of Google Project Zero

Entry added November 18, 2019

Additional recognition

boringssl

We would like to acknowledge Nimrod Aviram of Tel Aviv University, Robert Merget of Ruhr University Bochum, Juraj Somorovsky of Ruhr University Bochum for their assistance.

Entry added October 29, 2019

Find My iPhone

We would like to acknowledge an anonymous researcher for their assistance.

Identity Service

We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) for their assistance.

Entry added October 29, 2019

Notes

We would like to acknowledge an anonymous researcher for their assistance.

Share Sheet

We would like to acknowledge Milan Stute of Secure Mobile Networking Lab at Technische Universität Darmstadt for their assistance.

Entry added October 29, 2019

Status Bar

We would like to acknowledge Isaiah Kahler, Mohammed Adham, an anonymous researcher for their assistance.

Entry added October 29, 2019

Telephony

We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) for their assistance.

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