CVE-2023-40520: Use After Free

Published Sep 18, 2023
·
Updated

Accessibility. This issue was addressed with improved redaction of sensitive information.

Other sources

Airport. A permissions issue was addressed with improved redaction of sensitive information.

— Apple

App Store. The issue was addressed with improved handling of protocols.

— Apple

Apple Neural Engine. A use-after-free issue was addressed with improved memory management.

— Apple

Apple Neural Engine. An out-of-bounds read was addressed with improved input validation.

— Apple

Apple Neural Engine. The issue was addressed with improved handling of caches.

— Apple

Credit

Kirin@@Pwnrin, Csaba Fitzl@@theevilbit(Offensive Security), zer0k, Adam M., Noah Roskin-Frazee, Professor Jason Lau (ZeroClicks.ai Lab), Will Brattain at Trail(Bits), 이준성(Junsung Lee)(Cross Republic), Kirin@@Pwnrin(NorthSea), Mickey Jin@@patch1t, Certik Skyfall Team, Linus Henze(Pinauten GmbH), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Michael (Biscuit) Thomas, 张师傅(@京东蓝军), Sei K., Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), Dohyun Lee@@l33d0hyun(PK Security), Adam M.(SecuRing), (SecuRing), Wojciech Regula(SecuRing), Adam M.(BreakPoint Security Research), (BreakPoint Security Research), Ron Masas(BreakPoint Security Research), serkan Gurbuz, Adriatik Raci(Sentry Cybersecurity), Narendra Bhati (twitter.com/imnarendrabhati)(Suma Soft Pvt), Pune (India), Yiğit Can YILMAZ@@yilmazcanyigit, Arsenii Kostromin (0x3c3e), James Hutchins, Arsenii Kostromin (0x3c3e)(Offensive Security), Joshua Jewett@@JoshJewett33(Offensive Security), (Offensive Security), Francisco Alonso@@revskills(PK Security), (PK Security), Francisco Alonso@@revskills, Jie Ding@@Lime(HKUS3 Lab), Dong Jun Kim@@smlijun(AbyssLab), Jong Seong Kim@@nevul37(AbyssLab), zhunki, 이준성(Junsung Lee), Mohamed GHANNAM@@_simo36, Tim Michaud@@TimGMichaud(Moveworks), Antonio Zekic@@antoniozekic(Dataflow Security), w0wbox, Ye Zhang@@VAR10CK(Baidu Security), Wojciech Reguła@@_r3ggi, Chris Ross (Zoom), Liang Wei(PixiePoint Security), Zhice Yang (ShanghaiTech University), Ron Masas(Imperva), Mikko Kenttälä )@@Turmio_(SensorFu), Certik Skyfall Team(Ant Security Light), pattern-f@@pattern_F_(Ant Security Light), Zweig(Kunlun Lab), Félix Poulin-Bélanger, Joseph Ravichandran@@0xjprx(MIT CSAIL), Gergely Kalman@@gergely_kalman, weize she, an anonymous researcher, Berke Kırbaş, Harsh Jaiswal, Tomi Tokics@@tomitokics(iTomsn0w), Kenneth Chew, Abhay Kailasia@@abhay_kailasia(Lakshmi Narain College Of Technology Bhopal), Brian McNulty(Offensive Security), Claire Houston, Anonymous, Wang Yu(Cyberserval)

Affected Software

8 affected componentsFixes available
Apple tvOS<17
17
Apple WatchOS<10
10
Apple iOS<17
17
Apple iPadOS<17
17
Apple iPadOS<17.0
Apple iPhone OS<17.0
Apple tvOS<17.0
Apple WatchOS<10.0

Event History

Sep 18, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Updated
via Apple·12:00 AM
Affected Software
Sep 26, 2023
CVE Published
via MITRE·08:14 PM
Data Sourced
via MITRE·08:14 PM
DescriptionWeakness
Sep 27, 2023
Data Sourced
via NVD·03:19 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2023-40520.

2

What is the affected software?

The affected software includes Apple tvOS (up to version 17), Apple iOS (up to version 17), Apple iPadOS (up to version 17), and Apple watchOS (up to version 10).

3

What is the remediation for this vulnerability?

The vulnerability was addressed with improved checks in the affected software versions.

4

Where can I find more information about this vulnerability?

You can find more information about this vulnerability on the Apple support website. Here are some references: [https://support.apple.com/en-us/HT213937](https://support.apple.com/en-us/HT213937), [https://support.apple.com/en-us/HT213936](https://support.apple.com/en-us/HT213936), [https://support.apple.com/en-us/HT213938](https://support.apple.com/en-us/HT213938).

5

How severe is this vulnerability?

The severity of this vulnerability is not specified in the provided information.

Company

Resources

Contact

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