CVE-2021-30743: Input Validation

Published Apr 26, 2021
·
Updated

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted image may lead to arbitrary code execution.

Other sources

ImageIO. An out-of-bounds write was addressed with improved input validation.

ImageIO. Processing a maliciously crafted image may lead to arbitrary code execution.

Credit

CFF(Topsec Alpha Team), an anonymous researcher, Jeonghoon Shin@@singi21a(THEORI working with Trend Micro Zero Day Initiative), Ye Zhang@@co0py_Cat(Baidu Security), Jzhu(Trend Micro Zero Day Initiative), Xingwei Lin(Ant Security Light)

Affected Software

29 affected componentsFixes available
Apple macOS Big Sur<11.3
11.3
Apple tvOS<14.5
14.5
Apple Catalina
Apple WatchOS<7.4
7.4
Apple iOS<14.5
14.5
Apple iPadOS<14.5
14.5
Apple iPadOS<14.5
Apple iPhone OS<14.5
Apple iOS and macOS=10.15
Apple iOS and macOS=10.15.1
Apple iOS and macOS=10.15.2
Apple iOS and macOS=10.15.3
Apple iOS and macOS=10.15.4
Apple iOS and macOS=10.15.5
Apple iOS and macOS=10.15.6
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-security_update_2021-001
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0.1<11.3
Apple tvOS<14.5
Apple WatchOS<7.4

Event History

Sep 8, 2021
CVE Published
via MITRE·01:44 PM
Data Sourced
via MITRE·01:44 PM
DescriptionWeakness

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 the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2021-30743.

2

What is the title of this vulnerability?

The title of this vulnerability is "ImageIO. An out-of-bounds write was addressed with improved input validation."

3

What is the description of this vulnerability?

The description of this vulnerability is "ImageIO. Processing a maliciously crafted image may lead to arbitrary code execution."

4

Which software are affected by this vulnerability?

The software affected by this vulnerability are Apple iOS up to and excluding version 14.5, Apple iPadOS up to and excluding version 14.5, Apple watchOS up to and excluding version 7.4, Apple macOS Big Sur up to and excluding version 11.3, Apple Catalina, and Apple tvOS up to and excluding version 14.5.

5

Where can I find more information about this vulnerability?

You can find more information about this vulnerability on the following references: [link1](https://support.apple.com/en-us/HT212530), [link2](https://support.apple.com/en-us/HT212317), [link3](https://support.apple.com/en-us/HT212324).

6

What is the Common Weakness Enumeration (CWE) ID for this vulnerability?

The Common Weakness Enumeration (CWE) ID for this vulnerability is 20.

Company

Resources

Contact

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