CVE-2024-40776: Use After Free

Published Jul 29, 2024
·
Updated

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

Other sources

Accounts. The issue was addressed with improved checks.

— Apple

AirDrop. This issue was addressed through improved state management.

— Apple

apache. This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

— Apple

APFS. The issue was addressed with improved restriction of data container access.

— Apple

Apple Neural Engine. The issue was addressed with improved memory handling.

— Apple

Credit

Mickey Jin@@patch1t, D4m0n, w0wbox, Csaba Fitzl@@theevilbit(Kandji), CVE-2023-6277, CVE-2023-52356, Yisumi, Junsung Lee(Trend Micro Zero Day Initiative), Amir Bazine(CrowdStrike Counter Adversary Operations), Karsten König(CrowdStrike Counter Adversary Operations), Gandalf4a, CertiK SkyFall Team, Minghao Lin(Zhejiang University), Jiaxun Zhu(Zhejiang University), CVE-2024-40805, Jacob Braun, Wojciech Regula(SecuRing), Zhongquan Li@@Guluisacat(Dawn Security Lab of JingDong), an anonymous researcher, Kirin@@Pwnrin, Bistrit Dahal, Srijan Poudel, Abhay Kailasia@@abhay_kailasia(Lakshmi Narain College of Technology Bhopal India), ajajfxhj, Huang Xilin(Ant Group Light), Maksymilian Motyl, Johan Carlsson (joaxcar), Seunghyun Lee@@0x10n(KAIST Hacking Lab working with Trend Micro Zero Day Initiative), Gary Kwong, Andreas Jaegersberger, Ro Achterberg, Linwz(DEVCORE), (CrowdStrike Counter Adversary Operations), Mateen Alinaghi, (Dawn Security Lab of JingDong), Mickey Jin@@patch1t(Kandji), Jiahui Hu (梅零落)(NorthSea), Meng Zhang (鲸落)(NorthSea), Matthew Butler, CVE-2024-4558, IES Red Team(ByteDance), Yeto, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), CVE-2024-2004, CVE-2024-2379, CVE-2024-2398, CVE-2024-2466, Yann Gascuel(Alter Solutions), Wang Yu(Cyberserval), Ye Zhang@@VAR10CK(Baidu Security), sqrtpwn, Patrick Wardle(DoubleYou), Rodolphe BRUNETTI@@eisw0lf, Adam M., CVE-2024-6387, Pedro Tôrres@@t0rr3sp3dr0, (Kandji), Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Csaba Fitzl@@theevilbit(Offensive Security), Yadhu Krishna M(Cyber Security At Suma Soft Pvt), Narendra Bhati(Cyber Security At Suma Soft Pvt), Manager(Cyber Security At Suma Soft Pvt), Pune (India), Joshua Jones, Jiwon Park, Marcio Almeida(Tanto Security), Arsenii Kostromin (0x3c3e), Pr(Bar), Pr(Hebrew University), EP, Hanqiu Wang(University of Florida), Zihao Zhan(Texas Tech University), Haoqi Shan(Certik), Siqi Dai(University of Florida), Max Panoff(University of Florida), (University of Florida), Shuo Wang(University of Florida), Meysam Firouzi@@R00tkitSMM, Minghao Lin

Affected Software

20 affected componentsFixes available
debian/webkit2gtk<=2.44.2-1~deb11u1, <=2.44.2-1~deb12u1
2.44.3-1~deb11u12.44.3-1~deb12u12.44.3-12.44.4-1
debian/wpewebkit<=2.38.6-1~deb11u1, <=2.38.6-1
2.44.4-1
Apple macOS Sonoma<14.6
14.6
Apple tvOS<17.6
17.6
Apple WatchOS<10.6
10.6
Apple visionOS<1.3
1.3
Apple iOS<17.6
17.6
Apple iPadOS<17.6
17.6
Apple Safari<17.6
17.6
Apple iOS<16.7.9
16.7.9
Apple iPadOS<16.7.9
16.7.9
Apple iPhone OS<16.7.9
Apple iPhone OS>=17.0<17.6
Apple iPadOS<16.7.9
Apple iPadOS>=17.0<17.6
Apple macOS<14.6
Apple Safari<17.6
Apple WatchOS<=10.6
Apple tvOS<17.6
Apple visionOS<1.3

Event History

Jul 29, 2024
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·10:17 PM
Data Sourced
via MITRE·10:17 PM
DescriptionWeakness
Data Sourced
via NVD·11:15 PM
DescriptionSeverityWeaknessAffected Software
Jul 30, 2024
Data Sourced
via Red Hat·08:50 PM
DescriptionSeverityAffected Software
Sep 13, 2024
Data Sourced
via Ubuntu·02:19 PM
RemedyDescriptionSeverityAffected 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 severity of CVE-2024-40776?

CVE-2024-40776 is classified as a high severity vulnerability due to the potential for exploitation through use-after-free issues.

2

How do I fix CVE-2024-40776?

To fix CVE-2024-40776, update your device to iOS 16.7.9, iPadOS 16.7.9, or later versions including Safari 17.6.

3

What products are affected by CVE-2024-40776?

CVE-2024-40776 affects Apple products including iOS, iPadOS, Safari, watchOS, tvOS, visionOS, and macOS Sonoma.

4

What does use-after-free mean in the context of CVE-2024-40776?

Use-after-free refers to a programming flaw where a program continues to use a pointer after the memory it points to has been freed, potentially allowing for arbitrary code execution.

5

Is there a workaround for CVE-2024-40776 if I can't update?

No effective workaround is available for CVE-2024-40776; updating to the latest software version is required to mitigate the issue.

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