CVE-2023-27940: Buffer Overflow

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

AppleMobileFileIntegrity. This issue was addressed by forcing hardened runtime on the affected binaries at the system level.

— Apple

AppleMobileFileIntegrity. This issue was addressed with improved entitlements.

— Apple

Credit

James Duffy (mangoSecure), 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, 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, 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.

Affected Software

8 affected componentsFixes available
macOS<12.6.6
12.6.6
macOS Ventura<13.4
13.4
Apple iOS and iPadOS<15.7.6
15.7.6
Apple iOS, iPadOS, and macOS<15.7.6
15.7.6
Apple iOS, iPadOS, and macOS<15.7.6
iPhone OS<15.7.6
macOS>=12.0.0<12.6.6
macOS>=13.0<13.4

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
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-2023-27940?

CVE-2023-27940 is a vulnerability in the kernel that allows a sandboxed app to observe system-wide network connections.

2

What is the severity of CVE-2023-27940?

CVE-2023-27940 has a severity of 6.3 (medium).

3

Which software versions are affected by CVE-2023-27940?

CVE-2023-27940 affects iOS up to version 15.7.6, iPadOS up to version 15.7.6, macOS Monterey up to version 12.6.6, and macOS Ventura up to version 13.4.

4

How can I fix CVE-2023-27940?

To fix CVE-2023-27940, update your iOS device, iPadOS device, macOS Monterey, or macOS Ventura to the specified patched versions.

5

Where can I find more information about CVE-2023-27940?

You can find more information about CVE-2023-27940 on the Apple Support website.

Company

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