high
7.8
CWE
20 787
Advisory Published
CVE Published
Updated

CVE-2021-1762: Input Validation

First published: Tue Jan 26 2021(Updated: )

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

Credit: Mickey Jin Trend Micro working with Trend Micro product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS<11.2
11.2
macOS Catalina
macOS Mojave
Apple iOS, iPadOS, and watchOS<14.4
iOS<14.4
Apple iOS and macOS>=10.14<=10.14.5
Apple iOS and macOS>=10.15<=10.15.5
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-001
Apple iOS and macOS=10.14.6-security_update_2019-002
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.15.6
Apple iOS and macOS=10.15.6-supplemental_update
Apple iOS and macOS=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-supplemental_update
Apple iOS and macOS>=11.0<11.2
Apple iOS, iPadOS, and watchOS<14.4
14.4
Apple iOS, iPadOS, and watchOS<14.4
14.4

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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-2021-1762?

    CVE-2021-1762 is a vulnerability in Model I/O that allows for an out-of-bounds write, which has been addressed with improved input validation.

  • Which software versions are affected by CVE-2021-1762?

    CVE-2021-1762 affects macOS Big Sur version up to 11.2, Apple Catalina, Apple Mojave, Apple iOS version up to 14.4, and Apple iPadOS version up to 14.4.

  • How can I fix CVE-2021-1762?

    To fix CVE-2021-1762, ensure that you have updated to the latest versions of the affected software, as Apple has addressed the vulnerability in their updates.

  • What is the severity of CVE-2021-1762?

    The severity of CVE-2021-1762 is not explicitly mentioned, but it is important to update to the latest software versions to protect against potential exploits.

  • Where can I find more information about CVE-2021-1762?

    You can find more information about CVE-2021-1762 on Apple's support page: https://support.apple.com/en-us/HT212147

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