CVE-2023-38593: Buffer Overflow

Published Jul 24, 2023
·
Updated

A logic issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.8, iOS 16.6 and iPadOS 16.6, macOS Big Sur 11.7.9, macOS Ventura 13.5, watchOS 9.6. An app may be able to cause a denial-of-service.

Other sources

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

— Apple

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

— Apple

AMD. A race condition was addressed with improved state handling.

— Apple

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

— Apple

AppleMobileFileIntegrity. A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions.

— Apple

Credit

Noah Roskin-Frazee, Nick Brook, Kirin@@Pwnrin, pattern-f@@pattern_F_(Ant Security Light), Mohamed GHANNAM@@_simo36, Wojciech Regula(SecuRing), Kirin@@Pwnrin(SecuRing), (SecuRing), found by OSS-Fuzz, Zweig(Kunlun Lab), 香农的三蹦子(Pangu Lab), an anonymous researcher, Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Peter Nguyễn Vũ Hoàng@@peternguyen14(STAR Labs SG Pte), Certik Skyfall Team, Valentin Pashkov(Kaspersky), Mikhail Vinogradov(Kaspersky), Georgy Kucherin@@kucher1n(Kaspersky), Leonid Bezvershenko@@bzvr_(Kaspersky), (Kaspersky), Boris Larin@@oct0xor(Kaspersky), Kaitao Xie(Alibaba Group), Xiaolong Bai(Alibaba Group), Certik Skyfall Team(Ant Security Light), Sei K., Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), Thijs Alkemade(Computest Sector 7), Adam M., Johan Carlsson (joaxcar), Hritvik Taneja, Jason Kim, Jie Jeff Xu, Stephan van Schaik, Daniel Genkin, Yuval Yarom, Narendra Bhati (twitter.com/imnarendrabhati)(Suma Soft Pvt), Pune - India(TU Wien), Valentino Dalla Valle(TU Wien), Pedro Bernardo(TU Wien), Marco Squarcina(TU Wien), (TU Wien), Lorenzo Veronese(TU Wien), Pune - India, Yuhao Hu, Jiming Wang, Jikai Ren, Anonymous(Trend Micro Zero Day Initiative), Francisco Alonso@@revskills, Junsung Lee, 이준성(Junsung Lee)(Cross Republic), Apple, YeongHyeon Choi@@hyeon101010, Mickey Jin@@patch1t, Gergely Kalman@@gergely_kalman, Erhad Husovic, CVE-2023-28319, CVE-2023-28320, CVE-2023-28321, CVE-2023-28322, Bool(YunShangHuaAn), Arsenii Kostromin (0x3c3e), Taavi Eomäe(Zone Media O), Mickey Jin@@patch1t(Trend Micro Zero Day Initiative), (Trend Micro Zero Day Initiative), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), CVE-2023-1916, Jonathan Bar Or(Microsoft), Emanuele Cozzi(Microsoft), (Microsoft), Michael Pearse(Microsoft), Csaba Fitzl@@theevilbit(Offensive Security), Sandipan Roy, James Duffy (mangoSecure), Michael Cowell, David Hoyt(Hoyt LLC), Wenchao Li(Hangzhou Orange Shield Information Technology Co), Xiaolong Bai(Hangzhou Orange Shield Information Technology Co), Ltd., CVE-2023-1801, Matthew Loewen, CVE-2023-2426, CVE-2023-2609, CVE-2023-2610, Yiğit Can YILMAZ@@yilmazcanyigit, Pr, Yishu Wang, ABC Research s.r.o.

Affected Software

18 affected componentsFixes available
Apple macOS Big Sur<11.7.9
11.7.9
Apple tvOS<16.6
16.6
Apple WatchOS<9.6
9.6
Apple macOS Monterey<12.6.8
12.6.8
Apple macOS Ventura<13.5
13.5
Apple iOS<16.6
16.6
Apple iPadOS<16.6
16.6
Apple iOS<15.7.8
15.7.8
Apple iPadOS<15.7.8
15.7.8
Apple iPadOS<15.7.8
Apple iPadOS>=16.0<16.6
Apple iPhone OS<15.7.8
Apple iPhone OS>=16.0<16.6
Apple macOS<11.7.9
Apple macOS>=12.0<12.6.8
Apple macOS>=13.0<13.5
Apple tvOS<16.6
Apple WatchOS<9.6

Event History

Jul 24, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Jul 27, 2023
CVE Published
via MITRE·12:30 AM
Data Sourced
via MITRE·12:30 AM
DescriptionWeakness
Feb 8, 2024
News Published
via The Register·02:00 PM
News Published
via The Register·02:05 PM

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-2023-38593?

CVE-2023-38593 refers to a logic issue in libxpc that has been fixed in various Apple software versions.

2

What is the severity of CVE-2023-38593?

The severity of CVE-2023-38593 is medium with a CVSSv3 score of 5.5.

3

How can an app cause a denial-of-service due to CVE-2023-38593?

An app can cause a denial-of-service by exploiting the logic issue in libxpc.

4

Which Apple software versions are affected by CVE-2023-38593?

CVE-2023-38593 affects various versions of macOS Monterey, iOS, iPadOS, macOS Big Sur, tvOS, and watchOS.

5

How can I fix CVE-2023-38593?

To fix CVE-2023-38593, update your Apple software to the versions mentioned in the Apple support articles.

Company

Resources

Contact

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CVE-2023-38593 - Buffer Overflow - SecAlerts