high
7.8
CWE
20
Advisory Published
CVE Published
Updated

CVE-2021-30693: Input Validation

First published: Mon May 24 2021(Updated: )

A validation issue was addressed with improved logic. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted image may lead to arbitrary code execution.

Credit: Mickey Jin & Junzhi Lu (@pwn0rz) @patch1t Trend MicroMickey Jin & Junzhi Lu (@pwn0rz) @patch1t Trend MicroMickey Jin & Junzhi Lu (@pwn0rz) @patch1t Trend MicroMickey Jin & Junzhi Lu (@pwn0rz) @patch1t Trend Micro product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple Catalina
Apple Mojave
Apple macOS Big Sur<11.4
11.4
Apple iOS<14.6
14.6
Apple iPadOS<14.6
14.6
Apple iPadOS<14.6
Apple iPhone OS<14.6
Apple Mac OS X>=10.14<=10.14.5
Apple Mac OS X>=10.15<=10.15.6
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
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-security_update_2021-001
Apple Mac OS X=10.14.6-security_update_2021-002
Apple Mac OS X=10.14.6-security_update_2021-003
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-security_update_2020
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-security_update_2020-005
Apple Mac OS X=10.15.7-security_update_2020-007
Apple Mac OS X=10.15.7-security_update_2021-001
Apple Mac OS X=10.15.7-security_update_2021-002
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.4

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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 the vulnerability ID?

    The vulnerability ID is CVE-2021-30693.

  • What is the title of the vulnerability?

    The title of the vulnerability is Model I/O. A validation issue was addressed with improved logic.

  • What software versions are affected by the vulnerability?

    The vulnerability affects macOS Big Sur up to version 11.4, Apple Mojave, Apple Catalina, iOS up to version 14.6, and iPadOS up to version 14.6.

  • How was the vulnerability addressed?

    The vulnerability was addressed by improving the logic of the validation issue.

  • Where can I find more information about the vulnerability?

    You can find more information about the vulnerability on the following Apple support pages: [^1^], [^2^], [^3^].

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