CVE-2023-27936: Input Validation

Published Mar 27, 2023
·
Updated

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

Other sources

AMD. The issue was addressed with improved bounds checks.

— Apple

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, iOS 15.7.4 and iPadOS 15.7.4, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. An app may be able to cause unexpected system termination or write kernel memory.

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, iOS 15.7.4 and iPadOS 15.7.4, macOS Big Sur 11.7.5. An app may be able to cause unexpected system termination or write kernel memory

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

— Apple

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

— Apple

Credit

Tingting Yin(Tsinghua University), Mickey Jin@@patch1t, Brandon Dalton@@partyD0lphin(Red Canary), Csaba Fitzl@@theevilbit(Offensive Security), Rıza Sabuncu@@rizasabuncu, JeongOhKyea, Aleksandar Nikolic(Cisco Talos), an anonymous researcher, Ye Zhang@@VAR10CK(Baidu Security), ryuzaki, 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, Adam M., Guilherme Rambo(Best Buddy Apps), CVE-2023-0433, CVE-2023-0512, sqrtpwn, Mickey Jin@@patch1t(FFRI Security Inc), Koh M. Nakagawa(FFRI Security Inc), (Offensive Security), Yiğit Can YILMAZ@@yilmazcanyigit, Jubaer Alnazi Jabin(TRS Group Of Companies), Wenchao Li(Alibaba Group), Xiaolong Bai(Alibaba Group), Wojciech Reguła@@_r3ggi(SecuRing), Mohamed GHANNAM@@_simo36, Antonio Zekic@@antoniozekic, John Aakerblom@@jaakerblom, ABC Research s.r.o., Mohamed Ghannam@@_simo36, Chan Shue Long(Offensive Security), Junoh Lee at Theori, CVE-2022-43551, CVE-2022-43552, Mikko Kenttälä )@@Turmio_(SensorFu), Jubaer Alnazi(TRS Group of Companies), jzhu(Trend Micro Zero Day Initiative), Meysam Firouzi@@R00tkitSMM(Mbition Mercedes), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Adam Doupé(ASU SEFCOM), an anonymous researcher(Red Canary), Milan Tenk(F), (F), Arthur Valiev(F), developStorm, Khiem Tran, Masahiro Kawada@@kawakatz(GMO Cybersecurity by Ierae), (Alibaba Group), Xin Huang@@11iaxH, CVE-2023-0049, CVE-2023-0051, CVE-2023-0054, CVE-2023-0288, Gertjan Franken(imec), KU Leuven, hazbinhotel(Trend Micro Zero Day Initiative), 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)

Affected Software

10 affected componentsFixes available
Apple macOS Big Sur<11.7.5
11.7.5
macOS<12.6.4
12.6.4
macOS Ventura<13.3
13.3
Apple iOS and iPadOS<15.7.4
15.7.4
Apple iOS, iPadOS, and macOS<15.7.4
15.7.4
Apple iOS, iPadOS, and macOS<15.7.4
iPhone OS<15.7.4
macOS<11.7.5
macOS>=12.0<12.6.4
macOS>=13.0<13.3

Event History

Mar 27, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
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-2023-27936?

CVE-2023-27936 is an out-of-bounds write vulnerability in CommCenter that has been fixed with improved input validation.

2

How does CVE-2023-27936 affect Apple devices?

CVE-2023-27936 affects macOS Ventura 13.3, iOS 15.7.4, iPadOS 15.7.4, macOS Monterey 12.6.4, and macOS Big Sur 11.7.5.

3

What is the severity of CVE-2023-27936?

The severity of CVE-2023-27936 is high, with a CVSS score of 7.8.

4

How can I fix CVE-2023-27936?

To fix CVE-2023-27936, update your Apple devices to the following versions: macOS Ventura 13.3, iOS 15.7.4, iPadOS 15.7.4, macOS Monterey 12.6.4, or macOS Big Sur 11.7.5.

5

What are some references for CVE-2023-27936?

You can find more information about CVE-2023-27936 on the following references: [Apple Support - HT213675](https://support.apple.com/en-us/HT213675), [Apple Support - HT213673](https://support.apple.com/en-us/HT213673), [Apple Support - HT213670](https://support.apple.com/en-us/HT213670).

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