CVE-2023-27933: Buffer Overflow

Published Mar 27, 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

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

Affected Software

12 affected componentsFixes available
Apple tvOS<16.4
16.4
Apple WatchOS<9.4
9.4
Apple macOS Monterey<12.6.4
12.6.4
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<12.6.4
Apple macOS>=13.0<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-2023-27933?

CVE-2023-27933 is a vulnerability in the kernel of Apple's operating systems that allows an app with root privileges to execute arbitrary code with kernel privileges.

2

Which Apple products are affected by CVE-2023-27933?

CVE-2023-27933 affects Apple watchOS up to version 9.4, Apple tvOS up to version 16.4, Apple iOS up to version 16.4, Apple iPadOS up to version 16.4, and Apple macOS Monterey up to version 12.6.4.

3

What is the severity of CVE-2023-27933?

CVE-2023-27933 has a severity rating of medium, with a severity value of 6.7.

4

How was CVE-2023-27933 fixed?

CVE-2023-27933 was fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, macOS Monterey 12.6.4, tvOS 16.4, and watchOS 9.4 through improved memory handling.

5

Where can I find more information about CVE-2023-27933?

You can find more information about CVE-2023-27933 on the Apple support page: [link](https://support.apple.com/en-us/HT213674) [link](https://support.apple.com/en-us/HT213670) [link](https://support.apple.com/en-us/HT213678).

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