CVE-2023-32420: Input Validation

Published May 18, 2023
·
Updated

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

Other sources

Accessibility. This issue was addressed with improved checks.

— Apple

Accounts. A permissions issue was addressed with improved redaction of sensitive information.

— Apple

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

— Apple

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 16.5 and iPadOS 16.5, watchOS 9.5, tvOS 16.5, macOS Ventura 13.4. An app may be able to cause unexpected system termination or read kernel memory.

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

— Apple

Credit

CertiK SkyFall Team(Pinauten GmbH), Linus Henze(Pinauten GmbH), Gerhard Muth, Dimitrios Tatsis(Cisco Talos), Mickey Jin@@patch1t, Zitong Wu (吴梓桐)(Zhuhai No), Adam M., Meysam Firouzi@@R00tkitSMM(Mbition Mercedes), Meysam Firouzi@@R00tkitsmm(Trend Micro Zero Day Initiative), hou xuewei vmk msu@@p1ay8y3ar, 08Tc3wBB(Jamf), James Duffy (mangoSecure), Adam Doupé(ASU SEFCOM), Eloi Benoist-Vanderbeken@@elvanderb(Synacktiv), Wojciech Reguła@@_r3ggi(SecuRing), OSS-Fuzz(Google Project Zero), Ned Williamson(Google Project Zero), Jonathan Bar Or(Microsoft), Anurag Bohra(Microsoft), (Microsoft), Michael Pearse(Microsoft), Thijs Alkemade@@xnyhps(Computest Sector 7), Gergely Kalman@@gergely_kalman, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Thijs Alkemade(Computest Sector 7), Jonathan Fritz, Arsenii Kostromin (0x3c3e), Julian Szulc, Holger Fuhrmannek(Deutsche Telekom Security GmbH on behalf of BSI), Yiğit Can YILMAZ@@yilmazcanyigit(FFRI Security Inc), Koh M. Nakagawa(FFRI Security Inc), Kirin@@Pwnrin(Offensive Security), Jeff Johnson (underpassapp.com)(Offensive Security), (Offensive Security), Csaba Fitzl@@theevilbit(Offensive Security), Kirin@@Pwnrin, Wenchao Li(Alibaba Group), Xiaolong Bai(Alibaba Group), Mickey Jin@@patch1t(Tencent Security Xuanwu Lab), Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), an anonymous researcher, Khiem Tran, Gergely Kalman@@gergely_kalman(SecuRing), (SecuRing), Wojciech Reguła(SecuRing), Yiğit Can YILMAZ@@yilmazcanyigit, CVE-2023-22809, Satish Panduranga, Ivan Fratric(Google Project Zero), Wojciech Regula(SecuRing), Ignacio Sanmillan@@ulexec, Clément Lecigne(Google's Threat Analysis Group), Donncha Ó Cearbhaill(Amnesty International), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Sergii Kryvoblotskyi(MacPaw Inc), ABC Research s.r.o., (Google Project Zero), Jiwon Park, Mohamed GHANNAM@@_simo36, Amat Cama(Vigilant Labs)

Affected Software

10 affected componentsFixes available
Apple tvOS<16.5
16.5
Apple WatchOS<9.5
9.5
Apple macOS Ventura<13.4
13.4
Apple iOS<16.5
16.5
Apple iPadOS<16.5
16.5
Apple iPadOS<16.5
Apple iPhone OS<16.5
Apple macOS>=13.0<13.4
Apple tvOS<16.5
Apple WatchOS<9.5

Event History

May 18, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Jun 23, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·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-2023-32420?

CVE-2023-32420 is a vulnerability related to IOSurfaceAccelerator that allows an app to cause unexpected system termination or read kernel memory.

2

Which software versions are affected by CVE-2023-32420?

CVE-2023-32420 affects iOS up to version 16.5, iPadOS up to version 16.5, watchOS up to version 9.5, tvOS up to version 16.5, and macOS Ventura up to version 13.4.

3

How can CVE-2023-32420 be fixed?

CVE-2023-32420 is fixed in iOS version 16.5 and iPadOS version 16.5, watchOS version 9.5, tvOS version 16.5, and macOS Ventura version 13.4.

4

What is the severity of CVE-2023-32420?

CVE-2023-32420 has a severity level of 7.1 (high).

5

What are the references for CVE-2023-32420?

The references for CVE-2023-32420 are: [Link 1](https://support.apple.com/en-us/HT213757), [Link 2](https://support.apple.com/en-us/HT213758), [Link 3](https://support.apple.com/en-us/HT213761).

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