CVE-2023-38596: 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

AMD. A buffer overflow issue was addressed with improved memory handling.

— Apple

AMD. The issue was addressed with improved memory handling.

— 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

Credit

Will Brattain at Trail(Bits), zer0k, Adam M., Noah Roskin-Frazee, Professor Jason Lau (ZeroClicks.ai Lab), 이준성(Junsung Lee)(Cross Republic), Kirin@@Pwnrin(NorthSea), Mickey Jin@@patch1t, Csaba Fitzl@@theevilbit(Offensive Security), Antonio Zekic@@antoniozekic(Dataflow Security), 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), Kirin@@Pwnrin, Yiğit Can YILMAZ@@yilmazcanyigit, Arsenii Kostromin (0x3c3e), James Hutchins, Jie Ding@@Lime(HKUS3 Lab), Dong Jun Kim@@smlijun(AbyssLab), Jong Seong Kim@@nevul37(AbyssLab), zhunki, 이준성(Junsung Lee), Francisco Alonso@@revskills(PK Security), (PK Security), Francisco Alonso@@revskills, Tim Michaud@@TimGMichaud(Moveworks), Mohamed GHANNAM@@_simo36, Ye Zhang@@VAR10CK(Baidu Security), w0wbox, 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), Arsenii Kostromin (0x3c3e)(Offensive Security), Joshua Jewett@@JoshJewett33(Offensive Security), (Offensive Security), Wojciech Reguła@@_r3ggi, Chris Ross (Zoom), Koh M. Nakagawa@@tsunek0h, Yishu Wang, Cristian Dinca(Computer Science), Romania, JeongOhKyea(Theori), Halle Winkler, Politepix@@hallewinkler, Noah Roskin-Frazee(Offensive Security), Pr(Offensive Security), Ron Masas(Imperva), Murray Mike, Mikko Kenttälä )@@Turmio_(SensorFu), Certik Skyfall Team(Ant Security Light), (Ant Security Light), pattern-f@@pattern_F_(Ant Security Light), Zweig(Kunlun Lab), Joseph Ravichandran@@0xjprx(MIT CSAIL), Ferdous Saljooki@@malwarezoo(Jamf Software), an anonymous researcher, Meng Zhang (鲸落)(NorthSea), Brian McNulty(Texts), (Texts), Kishan Bagaria(Texts), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Gergely Kalman@@gergely_kalman, baba yaga, weize she, Berke Kırbaş, Harsh Jaiswal, Serkan Erayabakan(George Mason University), David Kotval(George Mason University), Akincibor(George Mason University), Sina Ahmadi(George Mason University), Billy Tabrizi, Kirin@@Pwnrin(SecuRing), Tomi Tokics@@tomitokics(iTomsn0w), Luan Herrera@@lbherrera_, Noah Roskin-Frazee (ZeroClicks.ai Lab), James Duffy (mangoSecure), Ron Masas(BreakPoint), Thijs Alkemade@@xnyhps(Computest Sector 7), Andrew Haggard, Brian McNulty(Offensive Security), Bill Marczak(The Citizen Lab at The University of Toronto's Munk School), Maddie Stone(Google's Threat Analysis Group), Claire Houston, Anonymous, (AbyssLab), Wang Yu(Cyberserval), An anonymous researcher(MacEnhance), Jeremy Legendre(MacEnhance), Felix Kratz, ABC Research s.r.o., Abhay Kailasia@@abhay_kailasia(Lakshmi Narain College Of Technology Bhopal), Liang Wei(PixiePoint Security), Zhice Yang (ShanghaiTech University), Mikko Kenttälä )@@Turmio_(SensorFu), Félix Poulin-Bélanger, Kenneth Chew

Affected Software

10 affected componentsFixes available
Apple macOS Sonoma<14
14
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 macOS<14.0
Apple tvOS<17.0
Apple WatchOS<10.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apple macOS to a version that resolves this vulnerability.

    Fixed in 14
  2. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 17
  3. Upgrade

    Upgrade Apple iOS, iPadOS, and watchOS to a version that resolves this vulnerability.

    Fixed in 10
  4. Upgrade

    Upgrade Apple iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 17
  5. Upgrade

    Upgrade Apple iOS, iPadOS, and macOS to a version that resolves this vulnerability.

    Fixed in 17
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 14
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 17
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10
  9. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 17
  10. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 17
  11. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 10
  12. Upgrade

    Upgrade macOS Sonoma to a version that resolves this vulnerability.

    Fixed in 14

Event History

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

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2023-38596.

2

What is the affected software?

The affected software includes Apple tvOS 17, Apple iOS 17, Apple iPadOS 17, Apple watchOS 10, and Apple macOS Sonoma 14.

3

What is the severity of CVE-2023-38596?

The severity of CVE-2023-38596 is not specified.

4

How was CVE-2023-38596 addressed?

CVE-2023-38596 was addressed by improving the handling of protocols in CFNetwork.

5

Where can I find more information about CVE-2023-38596?

You can find more information about CVE-2023-38596 in the Apple security advisory: [https://support.apple.com/en-us/HT213937](https://support.apple.com/en-us/HT213937)

Company

Resources

Contact

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