CVE-2023-42861: Race Condition

Published Oct 25, 2023
·
Updated

A logic issue was addressed with improved state management. This issue is fixed in macOS Sonoma 14.1. An attacker with knowledge of a standard user's credentials can unlock another standard user's locked screen on the same Mac.

Other sources

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

Finder. This issue was addressed through improved state management.

— Apple

Credit

Jon Crain(Concentrix), 凯 王(Concentrix), Brandon Chesser & CPU IT inc(Concentrix), Matthew McLean(Concentrix), Steven Maser(Concentrix), (Concentrix), the Avalon IT Team(Concentrix), an anonymous researcher(Concentrix), Brandon Chesser(Concentrix), CPU IT inc(Concentrix), Avalon IT Team(Concentrix), an anonymous researcher, Pr(Bar), Pr(Hebrew University), EP, LFY@@secsys(Fudan University), Daniel Zajork, Joshua Zajork, Meysam Firouzi@@R00tkitsmm(Trend Micro Zero Day Initiative), Mickey Jin@@patch1t, Pedro Tôrres@@t0rr3sp3dr0, CVE-2024-23296, CVE-2024-27806, Yann GASCUEL(Alter Solutions), ajajfxhj, Kirin@@Pwnrin, 小来来@@Smi1eSEC, pattern-f@@pattern_F_(Ant Security Light), Amir Bazine(CrowdStrike Counter Adversary Operations), Karsten König(CrowdStrike Counter Adversary Operations)

Affected Software

3 affected componentsFixes available
Apple macOS<14.1
14.1
macOS Ventura<13.6.7
13.6.7
macOS>=14.0<14.1

Event History

Oct 25, 2023
CVE Published
via MITRE·06:31 PM
Data Sourced
via MITRE·06:31 PM
DescriptionWeakness
May 13, 2024
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness

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 CVE-2023-42861?

CVE-2023-42861 is a logic issue in the Login Window of macOS Sonoma 14.1, which allows an attacker to unlock another user's locked screen on the same Mac.

2

How can an attacker exploit CVE-2023-42861?

An attacker with knowledge of a standard user's credentials can unlock another standard user's locked screen on the same Mac.

3

What is the severity of CVE-2023-42861?

The severity of CVE-2023-42861 is moderate.

4

How can I fix CVE-2023-42861?

To fix CVE-2023-42861, update your macOS to Sonoma 14.1 or later.

5

Where can I find more information about CVE-2023-42861?

For more information about CVE-2023-42861, you can refer to the following resources: [Apple Support](https://support.apple.com/en-us/HT213984), [Full Disclosure Mailing List](http://seclists.org/fulldisclosure/2023/Oct/24), [Apple Security Updates](https://support.apple.com/kb/HT213984).

Company

Resources

Contact

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