CVE-2023-32423: Buffer Overflow

Published May 18, 2023
·
Updated

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing web content may disclose sensitive information.

Other sources

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

— Apple

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

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

— Apple

Credit

James Duffy (mangoSecure), Kirin@@Pwnrin, Arsenii Kostromin (0x3c3e), 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), Adam M., 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), Gerhard Muth, Dimitrios Tatsis(Cisco Talos), Mickey Jin@@patch1t, Zitong Wu (吴梓桐)(Zhuhai No), Meysam Firouzi@@R00tkitSMM(Mbition Mercedes), Meysam Firouzi@@R00tkitsmm(Trend Micro Zero Day Initiative), hou xuewei vmk msu@@p1ay8y3ar, CertiK SkyFall Team(Pinauten GmbH), Linus Henze(Pinauten GmbH), 08Tc3wBB(Jamf), 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, 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), Sergii Kryvoblotskyi(MacPaw Inc), ABC Research s.r.o., (Google Project Zero), Jiwon Park, Mohamed GHANNAM@@_simo36, Amat Cama(Vigilant Labs)

Affected Software

13 affected componentsFixes available
Apple tvOS<16.5
16.5
Apple WatchOS<9.5
9.5
Apple macOS Ventura<13.4
13.4
Apple Safari<16.5
16.5
Apple iOS<16.5
16.5
Apple iPadOS<16.5
16.5
Apple Safari<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
Apple Safari<16.5

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-2023-32423?

CVE-2023-32423 is a buffer overflow vulnerability in WebKit that has been fixed in various Apple software versions.

2

Which Apple software versions are affected by CVE-2023-32423?

The affected Apple software versions include watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, Safari 16.5, iOS 16.5, and iPadOS 16.5.

3

What is the severity of CVE-2023-32423?

CVE-2023-32423 has a severity score of 6.5, which is considered medium.

4

How can I fix CVE-2023-32423?

To fix CVE-2023-32423, make sure to update your Apple software to the fixed versions, such as watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, Safari 16.5, iOS 16.5, and iPadOS 16.5.

5

Where can I find more information about CVE-2023-32423?

You can find more information about CVE-2023-32423 on the Apple support website. Here are some references: [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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