CVE-2022-32944: Use After Free

Published Oct 24, 2022
·
Updated

A memory corruption issue was addressed with improved state management. This issue is fixed in tvOS 16.1, iOS 15.7.1 and iPadOS 15.7.1, macOS Ventura 13, watchOS 9.1, iOS 16.1 and iPadOS 16, macOS Monterey 12.6.1, macOS Big Sur 11.7.1. An app may be able to execute arbitrary code with kernel privileges.

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

Tim Michaud@@TimGMichaud(Moveworks), Willy R. Vasquez(The University of Texas at Austin), Peter Pan ZhenPeng(STAR Labs), Tingting Yin(Tsinghua University), Tommy Muir@@Muirey03, Xinru Chi(Pangu Lab), John Aakerblom@@jaakerblom, Ian Beer(Google Project Zero), Zweig(Kunlun Lab), an anonymous researcher, Xingwei Lin@@xwlin_roy(Ant Security Light), Yinyi Wu(Ant Security Light), 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), Justin Bui@@slyd0g(Snowflake), Cristian Dinca(Tudor Vianu National High School of Computer Science of), Francisco Alonso@@revskills, 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), Yonghwi Jin at Theori@@jinmo123(Trend Micro Zero Day Initiative), Wonyoung Jung@@nonetype_pwn(KAIST Hacking Lab), Dr Hideaki Goto(Tohoku University), Japan, Evgeny Legerov, Mohamed Ghannam@@_simo36, Mickey Jin@@patch1t, Csaba Fitzl@@theevilbit(Offensive Security), Anonymous(Trend Micro Zero Day Initiative), ABC Research s.r.o., Jonathan Zhang(Open Computing Facility), Guilherme Rambo(Best Buddy Apps), Bistrit Dahal, Asahi Lina@@LinaAsahi, Yinyi Wu(Google Project Zero), ABC Research s.r.o(Google Project Zero), Natalie Silvanovich(Google Project Zero), Tommaso Bianco@@cutesmilee__, Antonio Zekic@@antoniozekic, Antonio Zekic@@antoniozekic(Google Project Zero), Wojciech Reguła@@_r3ggi(SecuRing), Koh M. Nakagawa(FFRI Security Inc), Jonathan Bar Or(Microsoft), Mickey Jin@@patch1t(Trend Micro), David Hoyt(Hoyt LLC), Halle Winkler@@hallewinkler(Politepix), Thijs Alkemade(Computest Sector 7), Arsenii Kostromin, 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), Linus Henze(Pinauten GmbH), 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), Wojciech Reguła(SecuRing), Ron Masas (breakpoint.sh)(BreakPoint Technologies LTD), Pan ZhenPeng@@Peterpan0927, Yutao Wang@@Jack, Yu Zhou@@yuzhou6666, Evgeny Legerov(Intevydis), Joshua Jones, Yiğit Can YILMAZ@@yilmazcanyigit, CVE-2022-1622, Ron Masas(breakpointhq), 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, CVE-2022-28739, Rohit Chatterjee(University of Illinois Urbana), Om kothawade(Zaprico Digital), Andrew Goldberg(The McCombs School of Business), The University(Texas at Austin), Felix Poulin-Belanger, 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, P1umer@@p1umer, afang@@afang5472, xmzyshypnc@@xmzyshypnc1, Jeonghoon Shin at Theori@@singi21a(Trend Micro Zero Day Initiative), 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), ryuzaki

Affected Software

15 affected componentsFixes available
Apple macOS Big Sur<11.7.1
11.7.1
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 iOS<16.1
16.1
Apple iPadOS<16
16
Apple iOS<15.7.1
15.7.1
Apple iPadOS<15.7.1
15.7.1
Apple iPadOS<15.7.1
Apple iPhone OS<15.7.1
Apple macOS>=11.0<11.7.1
Apple macOS>=12.0.0<12.6.1
Apple tvOS<16.1
Apple WatchOS<9.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apple macOS to a version that resolves this vulnerability.

    Fixed in 11.7.1
  2. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 16.1
  3. Upgrade

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

    Fixed in 9.1
  4. Upgrade

    Upgrade macOS to a version that resolves this vulnerability.

    Fixed in 12.6.1
  5. Upgrade

    Upgrade macOS Ventura to a version that resolves this vulnerability.

    Fixed in 13
  6. Upgrade

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

    Fixed in 16.1
  7. Upgrade

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

    Fixed in 16
  8. Upgrade

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

    Fixed in 15.7.1
  9. Upgrade

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

    Fixed in 15.7.1
  10. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 13
  11. Upgrade

    Upgrade curl to a version that resolves this vulnerability.

    Fixed in 7.84.0
  12. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 15.7.1
  13. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 15.7.1
  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
  17. Upgrade

    Upgrade macOS Monterey to a version that resolves this vulnerability.

    Fixed in 12.6.1
  18. Upgrade

    Upgrade macOS Big Sur to a version that resolves this vulnerability.

    Fixed in 11.7.1
  19. Configuration

    Remove additional entitlements.

    Application entitlements Additional entitlements = removed
  20. Compensating control

    Apply additional sandbox restrictions to third-party apps.

Event History

Oct 24, 2022
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Nov 1, 2022
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.

Frequently Asked Questions

1

What is CVE-2022-32944?

CVE-2022-32944 is a memory corruption vulnerability in the kernel of Apple devices running iOS, iPadOS, macOS Monterey, macOS Big Sur, iOS, iPadOS, tvOS, macOS Ventura, and watchOS.

2

How does CVE-2022-32944 impact Apple devices?

CVE-2022-32944 can allow an attacker to execute arbitrary code with kernel privileges, potentially leading to a complete compromise of the affected device.

3

Which versions of Apple software are affected by CVE-2022-32944?

Apple devices running iOS up to and excluding version 16.1, iPadOS up to and excluding version 16, macOS Monterey up to and excluding version 12.6.1, macOS Big Sur up to and excluding version 11.7.1, iOS up to and excluding version 15.7.1, iPadOS up to and excluding version 15.7.1, tvOS up to and excluding version 16.1, macOS Ventura up to and excluding version 13, and watchOS up to and excluding version 9.1 are affected by CVE-2022-32944.

4

What is the severity of CVE-2022-32944?

CVE-2022-32944 has a high severity rating.

5

How can I fix CVE-2022-32944?

To fix CVE-2022-32944, it is recommended to update your Apple device to a version that includes the relevant security patches. Please refer to Apple's advisory for specific remediation instructions.

Company

Resources

Contact

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