CVE-2023-27931: Buffer Overflow

Published Jan 23, 2023
·
Updated

Accessibility. A privacy issue was addressed with improved private data redaction for log entries.

Other sources

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

— Apple

AMD. The issue was addressed with improved bounds checks.

— Apple

App Store. A privacy issue was addressed with improved private data redaction for log entries.

— Apple

Apple Neural Engine. An out-of-bounds write issue was addressed with improved bounds checking.

— Apple

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

— Apple

Credit

Mickey Jin@@patch1t, Adam M., Ye Zhang@@VAR10CK(Baidu Security), an anonymous researcher, Jubaer Alnazi(TRS Group of Companies), Csaba Fitzl@@theevilbit(Offensive Security), ryuzaki, Meysam Firouzi@@R00tkitSMM(Mbition Mercedes), jzhu(Trend Micro Zero Day Initiative), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Pan ZhenPeng(STAR Labs SG Pte), Zechao Cai@@Zech4o(Zhejiang University), Adam Doupé(ASU SEFCOM), sqrtpwn, Félix Poulin-Bélanger, David Pan Ogea, an anonymous researcher(Red Canary), Brandon Dalton@@partyD0lphin(Red Canary), Milan Tenk(F), (F), Arthur Valiev(F), Zweig(Kunlun Lab), Abhay Kailasia@@abhay_kailasia(Lakshmi Narain College Of Technology Bhopal), Zhuowei Zhang, developStorm, Anton Spivak, Yiğit Can YILMAZ@@yilmazcanyigit, Jubaer Alnazi Jabin(TRS Group Of Companies), (Alibaba Group), Wenchao Li(Alibaba Group), Xiaolong Bai(Alibaba Group), Xin Huang@@11iaxH, Gertjan Franken(imec), KU Leuven, hazbinhotel(Trend Micro Zero Day Initiative), Hyeon Park@@tree_segment(Team ApplePIE), Georgy Kucherin@@kucher1n(Kaspersky), Leonid Bezvershenko@@bzvr_(Kaspersky), Boris Larin@@oct0xor(Kaspersky), (Kaspersky), Valentin Pashkov(Kaspersky), Anonymous(Trend Micro Zero Day Initiative), Dohyun Lee@@l33d0hyun(SSD Labs), crixer@@pwning_me(SSD Labs), Tingting Yin(Tsinghua University), Itay Iellin(General Motors Product Cyber Security), Etienne Charron(Renault), Khadim Dieng(Renault), JeongOhKyea, Jianjun Dai(360 Vulnerability Research Institute), Guang Gong(360 Vulnerability Research Institute), Mohamed GHANNAM@@_simo36, Mohamed GHANNAM, Mohamed Ghannam@@_simo36, Rıza Sabuncu@@rizasabuncu, Joshua Jones, Khiem Tran, Mickey Jin@@patch1t(FFRI Security Inc), Koh M. Nakagawa(FFRI Security Inc), (Offensive Security), Masahiro Kawada@@kawakatz(GMO Cybersecurity by Ierae), Guilherme Rambo(Best Buddy Apps), CVE-2023-0049, CVE-2023-0051, CVE-2023-0054, CVE-2023-0288, CVE-2023-0433, CVE-2023-0512, Aleksandar Nikolic(Cisco Talos), Mikko Kenttälä )@@Turmio_(SensorFu), Murray Mike, Arsenii Kostromin (0x3c3e), Xinru Chi(Pangu Lab), Ned Williamson(Google Project Zero), ABC Research s.r.o., Wojciech Reguła@@_r3ggi(SecuRing), Chan Shue Long(Offensive Security), Junoh Lee at Theori, CVE-2022-43551, CVE-2022-43552

Affected Software

12 affected componentsFixes available
Apple macOS Big Sur<11.7.3
11.7.3
Apple tvOS<16.4
16.4
Apple WatchOS<9.4
9.4
Apple macOS Monterey<12.6.3
12.6.3
Apple macOS Ventura<13.3
13.3
Apple iOS<16.4
16.4
Apple iPadOS<16.4
16.4
Apple iPadOS<16.4
Apple iPhone OS<16.4
Apple macOS<13.3
Apple tvOS<16.4
Apple WatchOS<9.4

Event History

Mar 27, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Description
May 8, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
08:15 PM
Description

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-2023-27931?

CVE-2023-27931 is a vulnerability that allows an app to access user-sensitive data on certain Apple devices.

2

How severe is CVE-2023-27931?

CVE-2023-27931 has a severity rating of 5.5 (medium).

3

Which Apple devices are affected by CVE-2023-27931?

Apple devices running macOS Ventura 13.3, macOS Monterey 12.6.3, iOS 16.4, iPadOS 16.4, macOS Big Sur 11.7.3, tvOS 16.4, watchOS 9.4, and older versions are affected.

4

How can I fix CVE-2023-27931?

CVE-2023-27931 has been fixed in macOS Ventura 13.3, macOS Monterey 12.6.3, iOS 16.4, iPadOS 16.4, macOS Big Sur 11.7.3, tvOS 16.4, and watchOS 9.4. Update your device to the latest version to fix the vulnerability.

5

Where can I find more information about CVE-2023-27931?

You can find more information about CVE-2023-27931 on the Apple support website. Check the references for more details.

Company

Resources

Contact

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