About the security content of iOS 15.7.8 and iPadOS 15.7.8

This document describes the security content of iOS 15.7.8 and iPadOS 15.7.8.

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 releases page.

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

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

iOS 15.7.8 and iPadOS 15.7.8

Accessibility

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to read sensitive location information

Description: A privacy issue was addressed with improved private data redaction for log entries.

CVE-2023-40442: Nick Brook

Apple Neural Engine

Available for devices with Apple Neural Engine: iPhone 8 and later, iPad Pro (3rd generation) and later, iPad Air (3rd generation) and later, and iPad mini (5th generation)

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

Description: The issue was addressed with improved memory handling.

CVE-2023-34425: pattern-f (@pattern_F_) of Ant Security Light-Year Lab

Apple Neural Engine

Available for devices with Apple Neural Engine: iPhone 8 and later, iPad Pro (3rd generation) and later, iPad Air (3rd generation) and later, and iPad mini (5th generation)

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

Description: The issue was addressed with improved memory handling.

CVE-2023-23540: Mohamed GHANNAM (@_simo36)

CFNetwork

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to read sensitive location information

Description: A privacy issue was addressed with improved private data redaction for log entries.

CVE-2023-40392: Wojciech Regula of SecuRing (wojciechregula.blog)

Find My

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to read sensitive location information

Description: A logic issue was addressed with improved restrictions.

CVE-2023-32416: Wojciech Regula of SecuRing (wojciechregula.blog)

FontParser

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.

Description: The issue was addressed with improved handling of caches.

CVE-2023-41990: Apple, Valentin Pashkov, Mikhail Vinogradov, Georgy Kucherin (@kucher1n), Leonid Bezvershenko (@bzvr_), and Boris Larin (@oct0xor) of Kaspersky

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: A remote user may be able to cause a denial-of-service

Description: The issue was addressed with improved checks.

CVE-2023-38603: Zweig of Kunlun Lab

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: A remote user may be able to cause unexpected system termination or corrupt kernel memory

Description: A buffer overflow issue was addressed with improved memory handling.

CVE-2023-38590: Zweig of Kunlun Lab

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

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

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

CVE-2023-38598: Mohamed GHANNAM (@_simo36)

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

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

Description: An integer overflow was addressed with improved input validation.

CVE-2023-36495: 香农的三蹦子 of Pangu Lab

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

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

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

CVE-2023-37285: Arsenii Kostromin (0x3c3e)

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

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

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

CVE-2023-38604: an anonymous researcher

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

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

Description: The issue was addressed with improved memory handling.

CVE-2023-32441: Peter Nguyễn Vũ Hoàng (@peternguyen14) of STAR Labs SG Pte. Ltd.

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to modify sensitive kernel state. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.

Description: This issue was addressed with improved state management.

CVE-2023-38606: Valentin Pashkov, Mikhail Vinogradov, Georgy Kucherin (@kucher1n), Leonid Bezvershenko (@bzvr_), and Boris Larin (@oct0xor) of Kaspersky

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

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

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

CVE-2023-32433: Zweig of Kunlun Lab

CVE-2023-35993: Kaitao Xie and Xiaolong Bai of Alibaba Group

Kernel

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: A remote user may be able to cause a denial-of-service

Description: The issue was addressed with improved checks.

CVE-2023-38603: Zweig of Kunlun Lab

libxpc

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to cause a denial-of-service

Description: A logic issue was addressed with improved checks.

CVE-2023-38593: Noah Roskin-Frazee

libxpc

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to gain root privileges

Description: A path handling issue was addressed with improved validation.

CVE-2023-38565: Zhipeng Huo (@R3dF09) of Tencent Security Xuanwu Lab (xlab.tencent.com)

Security

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to fingerprint the user

Description: This issue was addressed by removing the vulnerable code.

CVE-2023-42831: James Duffy (mangoSecure)

Weather

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: An app may be able to determine a user’s current location

Description: This issue was addressed with improved redaction of sensitive information.

CVE-2023-38605: Adam M.

WebKit

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: A website may be able to track sensitive user information

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

WebKit Bugzilla: 257822

CVE-2023-38599: Hritvik Taneja, Jason Kim, Jie Jeff Xu, Stephan van Schaik, Daniel Genkin, and Yuval Yarom

WebKit

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: Processing a document may lead to a cross site scripting attack

Description: This issue was addressed with improved checks.

WebKit Bugzilla: 257299

CVE-2023-32445: Johan Carlsson (joaxcar)

WebKit

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Description: The issue was addressed with improved checks.

WebKit Bugzilla: 259231

CVE-2023-37450: an anonymous researcher

WebKit

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: A website may be able to bypass Same Origin Policy

Description: The issue was addressed with improved checks.

CVE-2023-38572: Narendra Bhati (twitter.com/imnarendrabhati) of Suma Soft Pvt. Ltd, Pune - India

WebKit

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Description: The issue was addressed with improved bounds checks.

CVE-2023-32409: Clément Lecigne of Google's Threat Analysis Group and Donncha Ó Cearbhaill of Amnesty International’s Security Lab

WebKit

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: Processing web content may lead to arbitrary code execution

Description: The issue was addressed with improved checks.

CVE-2023-38594: Yuhao Hu

WebKit Process Model

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: Processing web content may lead to arbitrary code execution

Description: The issue was addressed with improved checks.

CVE-2023-38597: 이준성(Junsung Lee) of Cross Republic

WebKit Web Inspector

Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: Processing web content may disclose sensitive information

Description: The issue was addressed with improved checks.

CVE-2023-38133: YeongHyeon Choi (@hyeon101010)

Additional recognition

Mail

We would like to acknowledge Parvez Anwar for their assistance.

Screenshots

We would like to acknowledge Eric Williams (@eric5310pub), Yannik Bloscheck (yannikbloscheck.com), Dametto Luca, and Casati Jacopo for their assistance.

WebKit

We would like to acknowledge Narendra Bhati (twitter.com/imnarendrabhati) of Suma Soft Pvt. Ltd, Pune - India for their assistance.

WebRTC

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