high
7.8
CWE
125
Advisory Published
CVE Published
Updated

CVE-2021-1768

First published: Tue Jan 26 2021(Updated: )

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

Credit: Mickey Jin & Junzhi Lu Trend Micro working with Trend MicroMickey Jin & Junzhi Lu Trend Micro working with Trend Micro product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.2
11.2
Apple Catalina
Apple Mojave
Apple iOS<14.4
14.4
Apple iPadOS<14.4
14.4
Apple iPadOS<14.4
Apple iPhone OS<14.4
Apple Mac OS X>=10.14<10.14.6
Apple Mac OS X>=10.15<10.15.7
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple Mac OS X=10.14.6-security_update_2020-004
Apple Mac OS X=10.14.6-security_update_2020-005
Apple Mac OS X=10.14.6-security_update_2020-006
Apple Mac OS X=10.14.6-security_update_2020-007
Apple Mac OS X=10.14.6-supplemental_update
Apple Mac OS X=10.14.6-supplemental_update_2
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.2

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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-2021-1768?

    CVE-2021-1768 is a vulnerability in Model I/O that allows for an out-of-bounds read due to insufficient bounds checking.

  • What is the severity of CVE-2021-1768?

    The severity of CVE-2021-1768 is not specified in the provided information.

  • Which software versions are affected by CVE-2021-1768?

    macOS Big Sur 11.2, Apple Catalina, Apple Mojave, Apple iOS up to 14.4, and Apple iPadOS up to 14.4 are affected by CVE-2021-1768.

  • Is there a remedy or fix available for CVE-2021-1768?

    Yes, a fix or remedy is available for CVE-2021-1768. Please refer to the provided references for more information on how to apply the fix.

  • Where can I find more information about CVE-2021-1768?

    You can find more information about CVE-2021-1768 in the provided references: [Apple Support - HT212147](https://support.apple.com/en-us/HT212147) and [Apple Support - HT212146](https://support.apple.com/en-us/HT212146).

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