CVE-2022-42823: Race Condition

Published Oct 24, 2022
·
Updated

A type confusion issue was addressed with improved memory handling. This issue is fixed in tvOS 16.1, macOS Ventura 13, watchOS 9.1, Safari 16.1, iOS 16.1 and iPadOS 16. Processing maliciously crafted web content may lead to arbitrary code execution.

Other sources

Accelerate Framework. A memory consumption issue was addressed with improved memory handling.

— Apple

APFS. An access issue was addressed with improved access restrictions.

— Apple

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

— Apple

Apple TV. The issue was addressed with improved handling of caches.

— Apple

AppleAVD. A memory corruption issue was addressed with improved state management.

— Apple

Credit

an anonymous researcher, CVE-2022-28739, Csaba Fitzl@@theevilbit(Offensive Security), Rohit Chatterjee(University of Illinois Urbana), Justin Bui@@slyd0g(Snowflake), Linus Henze(Pinauten GmbH), Cristian Dinca(Tudor Vianu National High School of Computer Science of), Om kothawade(Zaprico Digital), Andrew Goldberg(The McCombs School of Business), The University(Texas at Austin), Felix Poulin-Belanger, Mickey Jin@@patch1t(Trend Micro), CVE-2021-36690, Adam Chester(TrustedSec), Thijs Alkemade@@xnyhps(Computest Sector 7), CVE-2022-0261, CVE-2022-0318, CVE-2022-0319, CVE-2022-0351, CVE-2022-0359, CVE-2022-0361, CVE-2022-0368, CVE-2022-0392, CVE-2022-0554, CVE-2022-0572, CVE-2022-0629, CVE-2022-0685, CVE-2022-0696, CVE-2022-0714, CVE-2022-0729, CVE-2022-0943, CVE-2022-1381, CVE-2022-1420, CVE-2022-1725, CVE-2022-1616, CVE-2022-1619, CVE-2022-1620, CVE-2022-1621, CVE-2022-1629, CVE-2022-1674, CVE-2022-1733, CVE-2022-1735, CVE-2022-1769, CVE-2022-1927, CVE-2022-1942, CVE-2022-1968, CVE-2022-1851, CVE-2022-1897, CVE-2022-1898, CVE-2022-1720, CVE-2022-2000, CVE-2022-2042, CVE-2022-2124, CVE-2022-2125, CVE-2022-2126, Francisco Alonso@@revskills, P1umer@@p1umer, afang@@afang5472, xmzyshypnc@@xmzyshypnc1, Jeonghoon Shin at Theori@@singi21a(Trend Micro Zero Day Initiative), Jihwan Kim@@gPayl0ad, Dohyun Lee@@l33d0hyun, Dohyun Lee@@l33d0hyun(SSD Labs), Abdulrahman Alqabandi(Microsoft Browser Vulnerability Research), Ryan Shin(IAAI SecLab at Korea University), Dohyun Lee@@l33d0hyun(DNSLab at Korea University), Wonyoung Jung@@nonetype_pwn(KAIST Hacking Lab), Yonghwi Jin at Theori@@jinmo123(Trend Micro Zero Day Initiative), 楼梦想改造家@@18(DBAppSecurity's WeBin lab), @@jq0904(DBAppSecurity's WeBin lab), Jeff Johnson, Wang Yu(Cyberserval), Evgeny Legerov, Arsenii Kostromin (0x3c3e), Kshitij Kumar(Crowdstrike), Jai Musunuri(Crowdstrike), CVE-2022-32205, CVE-2022-32206, CVE-2022-32207, CVE-2022-32208, Sergii Kryvoblotskyi(MacPaw Inc), Tommy Muir@@Muirey03, Jiří Vinopal@@vinopaljiri(Check Point Research), Sonali Luthar(the University of Virginia), Michael Liao(the University of Illinois at Urbana), Rohan Pahwa(Rutgers University), (University of Florida), Bao Nguyen(University of Florida), Bistrit Dahal, Wojciech Reguła(SecuRing), Ron Masas (breakpoint.sh)(BreakPoint Technologies LTD), Pan ZhenPeng@@Peterpan0927, Asahi Lina@@LinaAsahi, Yutao Wang@@Jack, Yu Zhou@@yuzhou6666, Evgeny Legerov(Intevydis), Joshua Jones, Yiğit Can YILMAZ@@yilmazcanyigit, Mickey Jin@@patch1t, CVE-2022-1622, Antonio Zekic@@antoniozekic, Peter Pan ZhenPeng(STAR Labs), Tingting Yin(Tsinghua University), Zweig(Kunlun Lab), Ian Beer(Google Project Zero), Tim Michaud@@TimGMichaud(Moveworks), Xinru Chi(Pangu Lab), John Aakerblom@@jaakerblom, Wojciech Reguła@@_r3ggi(SecuRing), Ron Masas(breakpointhq), Xingwei Lin@@xwlin_roy(Ant Security Light), Yinyi Wu(Ant Security Light), CVE-2021-39537, CVE-2022-29458, Gustav Hansen(WithSecure), Ubeydullah Sümer, Ezekiel Elin, Ashwani Rajput(Nagarro Software Pvt), Srijan Shivam Mishra(The Hack Report), Jugal Goradia(Aastha Technologies), Evan Ricafort (evanricafort.com)(Invalid Web Security), Shesha Sai C (linkedin.com/in/shesha-sai-c-18585b125)(Pune), (Pune), Amod Raghunath Patwardhan(Pune), India, Yinyi Wu(Google Project Zero), ABC Research s.r.o(Google Project Zero), Natalie Silvanovich(Google Project Zero), Tommaso Bianco@@cutesmilee__, Antonio Zekic@@antoniozekic(Google Project Zero), Koh M. Nakagawa(FFRI Security Inc), Anonymous(Trend Micro Zero Day Initiative), ABC Research s.r.o., Jonathan Bar Or(Microsoft), Jonathan Zhang(Open Computing Facility), David Hoyt(Hoyt LLC), Guilherme Rambo(Best Buddy Apps), Halle Winkler@@hallewinkler(Politepix), Thijs Alkemade(Computest Sector 7), Arsenii Kostromin, Mohamed Ghannam@@_simo36, ryuzaki, Dr Hideaki Goto(Tohoku University), Japan, IES Red Team(ByteDance), Mir Masood Ali(Illinois at Chicago), PhD student(Illinois at Chicago), University(Illinois at Chicago), MS student(Illinois at Chicago), Stony Brook University; Mohammad Ghasemisharif(Illinois at Chicago), PhD Candidate(Illinois at Chicago), Associate Professor(Illinois at Chicago), Stony Brook University; Jason Polakis(Illinois at Chicago), Willy R. Vasquez(The University of Texas at Austin)

Affected Software

21 affected componentsFixes available
debian/webkit2gtk<=2.36.4-1~deb10u1
2.38.6-0+deb10u12.40.5-1~deb11u12.42.1-1~deb11u22.40.5-1~deb12u12.42.1-1~deb12u12.42.1-2
debian/wpewebkit
2.38.6-1~deb11u12.38.6-12.42.1-1
Apple tvOS<16.1
16.1
Apple WatchOS<9.1
9.1
Apple macOS Monterey<12.6.1
12.6.1
Apple macOS Ventura<13
13
Apple Safari<16.1
16.1
Apple iOS<16.1
16.1
Apple iPadOS<16
16
Apple Safari<16.1
Apple iPadOS<16.0
Apple iPhone OS<16.1
Apple macOS<13.0
Apple tvOS<16.1
Apple WatchOS<9.1
Fedoraproject Fedora=35
Fedoraproject Fedora=36
Fedoraproject Fedora=37
Debian Debian Linux=10.0
Debian Debian Linux=11.0
redhat/WebKitGTK<2.38.2
2.38.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.38.6-0+deb10u1Fixed in 2.40.5-1~deb11u1Fixed in 2.42.1-1~deb11u2Fixed in 2.40.5-1~deb12u1Fixed in 2.42.1-1~deb12u1Fixed in 2.42.1-2
  2. Upgrade

    Upgrade debian/wpewebkit to a version that resolves this vulnerability.

    Fixed in 2.38.6-1~deb11u1Fixed in 2.38.6-1Fixed in 2.42.1-1
  3. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 16.1
  4. Upgrade

    Upgrade Apple iOS, iPadOS, and watchOS to a version that resolves this vulnerability.

    Fixed in 9.1
  5. Upgrade

    Upgrade macOS to a version that resolves this vulnerability.

    Fixed in 12.6.1
  6. Upgrade

    Upgrade macOS Ventura to a version that resolves this vulnerability.

    Fixed in 13
  7. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 16.1
  8. Upgrade

    Upgrade Apple iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 16.1
  9. Upgrade

    Upgrade Apple iOS, iPadOS, and macOS to a version that resolves this vulnerability.

    Fixed in 16
  10. Upgrade

    Upgrade redhat/WebKitGTK to a version that resolves this vulnerability.

    Fixed in 2.38.2
  11. Upgrade

    Upgrade WebKitGTK and WPE WebKit to a version that resolves this vulnerability.

    Fixed in 2.38.2
  12. Upgrade

    Upgrade Ruby to a version that resolves this vulnerability.

    Fixed in 2.6.10
  13. Upgrade

    Upgrade curl to a version that resolves this vulnerability.

    Fixed in 7.84.0
  14. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 9.1
  15. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 16.1
  16. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 16.1
  17. Configuration

    Enable the added sandbox restrictions on third party apps (additional restrictions are described in the provided material).

    Apple sandbox additional sandbox restrictions on third party apps = enable
  18. Configuration

    Apply the additional restrictions around the observability of app states (described as being addressed with additional restrictions).

    Apple sandbox access restrictions/observability of app states = restrict
  19. Configuration

    Ensure the updated code signature validation logic with improved checks is in place (described as being addressed with improved checks).

    Apple code signature validation validation checks = improved
  20. Configuration

    Remove additional entitlements as part of the fix (described as being addressed by removing additional entitlements).

    Apple entitlements entitlements = remove additional entitlements
  21. Configuration

    Apply the fix that improves permission validation (described as being addressed with improved permission validation).

    Application permissions validation permission validation = improved
  22. Configuration

    Apply the fix that improves validation of symlinks (described as being addressed with improved validation of symlinks).

    Symlink handling symlink validation = improved
  23. Compensating control

    If upgrades are not immediately possible, mitigate exposure by applying the described additional sandbox/access restrictions (e.g., for third-party apps and sensitive/observability behaviors) until fixed versions are deployed.

Event History

Nov 1, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software
Nov 7, 2022
Data Sourced
via Red Hat·04:22 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID is CVE-2022-42823.

2

What software is affected by this vulnerability?

The vulnerability affects Apple macOS Monterey up to version 12.6.1, Apple iOS up to version 16.1, Apple iPadOS up to version 16, Apple watchOS up to version 9.1, Apple Safari up to version 16.1, Apple tvOS up to version 16.1, and Apple macOS Ventura up to version 13.

3

What is the impact of this vulnerability?

The impact of this vulnerability is a type confusion issue that could lead to arbitrary code execution.

4

How can I fix this vulnerability?

To fix this vulnerability, update your software to the latest version available, as specified in the Apple security advisory.

5

Where can I find more information about this vulnerability?

You can find more information about this vulnerability in the Apple security advisory linked in the references section.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203