medium
6.3
CWE
119 416 20
Advisory Published
CVE Published
Updated

CVE-2023-27940: Buffer Overflow

First published: Thu May 18 2023(Updated: )

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

Credit: James Duffy (mangoSecure) Gerhard Muth Dimitrios Tatsis Cisco TalosMickey Jin @patch1t Zitong Wu (吴梓桐) Zhuhai NoAdam M. Meysam Firouzi @R00tkitSMM Mbition MercedesMeysam Firouzi @R00tkitsmm Trend Micro Zero Day Initiativehou xuewei vmk msu @p1ay8y3ar CertiK SkyFall Team Pinauten GmbHLinus Henze Pinauten GmbH08Tc3wBB JamfAdam Doupé ASU SEFCOMEloi Benoist-Vanderbeken @elvanderb SynacktivWojciech Reguła @_r3ggi SecuRingOSS-Fuzz Google Project ZeroNed Williamson Google Project ZeroJonathan Bar Or MicrosoftAnurag Bohra Microsoft MicrosoftMichael Pearse MicrosoftThijs Alkemade @xnyhps Computest Sector 7Gergely Kalman @gergely_kalman Michael DePlante @izobashi Trend Micro Zero Day InitiativeThijs Alkemade Computest Sector 7Jonathan Fritz Arsenii Kostromin (0x3c3e) Julian Szulc Holger Fuhrmannek Deutsche Telekom Security GmbH on behalf of BSIYiğit Can YILMAZ @yilmazcanyigit FFRI Security IncKoh M. Nakagawa FFRI Security IncKirin @Pwnrin Offensive SecurityJeff Johnson (underpassapp.com) Offensive Security Offensive SecurityCsaba Fitzl @theevilbit Offensive SecurityKirin @Pwnrin Wenchao Li Alibaba GroupXiaolong Bai Alibaba GroupMickey Jin @patch1t Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Tencent Security Xuanwu Lab an anonymous researcher Khiem Tran Gergely Kalman @gergely_kalman SecuRing SecuRingWojciech Reguła SecuRingYiğit Can YILMAZ @yilmazcanyigit CVE-2023-22809 Satish Panduranga Ivan Fratric Google Project ZeroWojciech Regula SecuRingIgnacio Sanmillan @ulexec Clément Lecigne Google's Threat Analysis GroupDonncha Ó Cearbhaill Amnesty InternationalPan ZhenPeng @Peterpan0927 STAR Labs SG PteSergii Kryvoblotskyi MacPaw IncABC Research s.r.o. product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS Monterey<12.6.6
12.6.6
Apple macOS<13.4
13.4
Apple iOS, iPadOS, and watchOS<15.7.6
iOS<15.7.6
Apple iOS and macOS>=12.0.0<12.6.6
Apple iOS and macOS>=13.0<13.4
Apple iOS, iPadOS, and watchOS<15.7.6
15.7.6
Apple iOS, iPadOS, and watchOS<15.7.6
15.7.6

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • 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.

  • What is the severity of CVE-2023-27940?

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

  • 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.

  • 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.

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

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

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