CVE-2024-40839: Input Validation

Published May 13, 2024
·
Updated

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

Other sources

AppleAVD. The issue was addressed with improved memory handling.

Apple

AVEVideoEncoder. The issue was addressed with improved memory handling.

Apple

Core Data. An issue was addressed with improved validation of environment variables.

Apple

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

Apple

CoreMedia. The issue was addressed with improved checks.

Apple

Credit

Junsung Lee(Trend Micro Zero Day Initiative), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), pattern-f@@pattern_F_(Ant Security Light), an anonymous researcher, an anonymous researcher(MIT CSAIL), (MIT CSAIL), Joseph Ravichandran@@0xjprx(MIT CSAIL), Pr(Bar), Pr(Hebrew University), EP, Nick Wellnhofer, Gil Pedersen, Dohyun Lee@@l33d0hyun, LFY@@secsys(Fudan University), Talal Haj Bakry(Mysk Inc), Tommy Mysk@@mysk_co(Mysk Inc), Daniel Zajork, Joshua Zajork, Meysam Firouzi@@R00tkitsmm(Trend Micro Zero Day Initiative), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Andr.Ess, Adam Berry, Mickey Jin@@patch1t, Csaba Fitzl@@theevilbit(Kandji), Kirin@@Pwnrin, LFY@@secsys, 小来来@@Smi1eSEC, yulige, Snoolie Keffaber@@0xilis, Robert Reichel, Srijan Poudel, CVE-2024-27806, Abhay Kailasia@@abhay_kailasia(Lakshmi Narain College of Technology Bhopal), Romy R., ajajfxhj, Maksymilian Motyl(Immunity Systems), Manfred Paul@@_manfp(Trend Micro's Zero Day Initiative), Emilio Cobos(Mozilla), Lukas Bernhard(CISPA Helmholtz Center for Information Security), Manfred Paul@@_manfp(Trend Micro Zero Day Initiative), Nan Wang@@eternalsakura13(360 Vulnerability Research Institute), Joe Rutkowski@@Joe12387(Crawless), @@abrahamjuliot, Jeff Johnson(underpassapp), Meysam Firouzi@@R00tkitSMM, Amir Bazine(CrowdStrike Counter Adversary Operations), Karsten König(CrowdStrike Counter Adversary Operations), Lucas Monteiro, Daniel Monteiro, Felipe Monteiro, Alexander Heinrich, SEEMOO, TU Darmstadt@@Sn0wfreeze, Shai Mishali@@freak4pc, CertiK SkyFall Team, Minghao Lin(Baidu Security), (Baidu Security), Ye Zhang@@VAR10CK(Baidu Security)

Affected Software

6 affected componentsFixes available
Apple iOS and iPadOS<17.5
Apple iOS, iPadOS, and macOS<17.5
Apple iOS and iPadOS<17.5
17.5
Apple iOS, iPadOS, and macOS<17.5
17.5
Apple iOS, iPadOS, and macOS<17.5
iPhone OS<17.5

Event History

May 13, 2024
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Jan 15, 2025
CVE Published
via MITRE·07:35 PM
Data Sourced
via MITRE·07:35 PM
DescriptionWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2024-40839?

The severity of CVE-2024-40839 is categorized as high due to potential memory handling issues that can lead to security vulnerabilities.

2

How do I fix CVE-2024-40839?

To fix CVE-2024-40839, users should update their devices to the latest version of iOS or iPadOS, specifically version 17.5.

3

Which devices are affected by CVE-2024-40839?

CVE-2024-40839 affects Apple devices running iOS and iPadOS versions prior to 17.5.

4

What types of issues does CVE-2024-40839 address?

CVE-2024-40839 addresses issues related to memory handling and improper validation of environment variables.

5

Is there a workaround for CVE-2024-40839 before the update?

There are no official workarounds for CVE-2024-40839 other than upgrading to the patched version 17.5.

Contact

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