CVE-2021-31010: Apple iOS, macOS, watchOS Sandbox Bypass Vulnerability

Published Aug 24, 2021
·
Updated

Core Telephony. A deserialization issue was addressed through improved validation.

Other sources

In affected versions of Apple iOS, macOS, and watchOS, a sandboxed process may be able to circumvent sandbox restrictions.

— CISA

A deserialization issue was addressed through improved validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 12.5.5, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. A sandboxed process may be able to circumvent sandbox restrictions. Apple was aware of a report that this issue may have been actively exploited at the time of release..

Credit

Citizen Lab, Google Project Zero, Citizen Lab, Google Project Zero, Citizen Lab, Google Project Zero, Citizen Lab, Google Project Zero, Citizen Lab, Google Project Zero

Affected Software

29 affected componentsFixes available
Apple macOS Big Sur<11.6
11.6
Apple Catalina
Apple WatchOS<7.6.2
7.6.2
Apple iOS, macOS, watchOS
Apple iOS<12.5.5
12.5.5
Apple iOS<14.8
14.8
Apple iPadOS<14.8
14.8
Apple iPadOS<14.8
Apple iPhone OS>=12.0<12.5.5
Apple iPhone OS>=14.0<14.8
Apple iOS and macOS>=10.15<10.15.7
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2020-005
Apple iOS and macOS=10.15.7-security_update_2020-007
Apple iOS and macOS=10.15.7-security_update_2021-001
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-security_update_2021-003
Apple iOS and macOS=10.15.7-security_update_2021-006
Apple iOS and macOS=10.15.7-security_update_2021-007
Apple iOS and macOS=10.15.7-security_update_2021-008
Apple iOS and macOS=10.15.7-security_update_2022-001
Apple iOS and macOS=10.15.7-security_update_2022-002
Apple iOS and macOS=10.15.7-security_update_2022-003
Apple iOS and macOS=10.15.7-security_update_2022-004
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0<11.6
Apple WatchOS<7.6.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apple macOS to a version that resolves this vulnerability.

    Fixed in 11.6
  2. Upgrade

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

    Fixed in 7.6.2
  3. Upgrade

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

    Fixed in 12.5.5
  4. Upgrade

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

    Fixed in 14.8
  5. Upgrade

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

    Fixed in 14.8
  6. Upgrade

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

    Fixed in 11.6
  7. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 7.6.2
  8. Upgrade

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

    Patch Security Update 2021-005 Catalina

Event History

Aug 24, 2021
CVE Published
via MITRE·06:51 PM
Data Sourced
via MITRE·06:51 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Aug 25, 2022
Known Exploited
via CISA·12:00 AM

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-2021-31010?

CVE-2021-31010 is a vulnerability in Apple iOS, macOS, and watchOS that allows a sandboxed process to bypass sandbox restrictions.

2

How does CVE-2021-31010 affect Apple devices?

CVE-2021-31010 affects Apple devices running iOS, macOS, and watchOS.

3

What is the severity of CVE-2021-31010?

The severity of CVE-2021-31010 is not specified in the provided information.

4

How can I fix CVE-2021-31010?

To fix CVE-2021-31010, update your Apple devices to the recommended versions: iOS 12.5.5, macOS Big Sur 11.6, or watchOS 7.6.2.

5

Where can I find more information about CVE-2021-31010?

You can find more information about CVE-2021-31010 on the official Apple support page: [CVE-2021-31010](https://support.apple.com/en-us/HT212804)

Company

Resources

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