high
7.8
CWE
20 125
Advisory Published
CVE Published
Updated

CVE-2020-3870: Input Validation

First published: Tue Jan 28 2020(Updated: )

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. Processing a maliciously crafted image may lead to arbitrary code execution.

Credit: Samuel Groß Google Project ZeroCVE-2020-3870 Samuel Groß Google Project ZeroSamuel Groß Google Project ZeroSamuel Groß Google Project ZeroCVE-2020-3870 Samuel Groß Google Project ZeroSamuel Groß Google Project ZeroSamuel Groß Google Project ZeroCVE-2020-3870 Samuel Groß Google Project ZeroSamuel Groß Google Project ZeroSamuel Groß Google Project ZeroCVE-2020-3870 Samuel Groß Google Project ZeroSamuel Groß Google Project Zero product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple watchOS<6.1.2
6.1.2
Apple iPadOS<13.3.1
Apple iPhone OS<13.3.1
Apple Mac OS X<10.15.3
Apple tvOS<13.3.1
Apple watchOS<6.1.2

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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-2020-3870?

    CVE-2020-3870 is a vulnerability in ImageIO that allows an attacker to read out-of-bounds memory.

  • How does CVE-2020-3870 impact Apple watchOS?

    CVE-2020-3870 impacts Apple watchOS 6.1.2 and earlier versions.

  • How does CVE-2020-3870 impact Apple tvOS?

    CVE-2020-3870 impacts Apple tvOS 13.3.1 and earlier versions.

  • How does CVE-2020-3870 impact Apple iOS?

    CVE-2020-3870 impacts Apple iOS 13.3.1 and earlier versions.

  • How does CVE-2020-3870 impact Apple iPadOS?

    CVE-2020-3870 impacts Apple iPadOS 13.3.1 and earlier versions.

  • How does CVE-2020-3870 impact Apple macOS Catalina?

    CVE-2020-3870 impacts Apple macOS Catalina 10.15.3 and earlier versions.

  • How does CVE-2020-3870 impact Apple Mojave?

    There is no specific impact of CVE-2020-3870 mentioned for Apple Mojave, but it is recommended to apply necessary updates and patches.

  • How does CVE-2020-3870 impact Apple High Sierra?

    There is no specific impact of CVE-2020-3870 mentioned for Apple High Sierra, but it is recommended to apply necessary updates and patches.

  • How do I fix CVE-2020-3870 on Apple devices?

    To fix CVE-2020-3870, Apple has released the necessary updates and patches for affected devices, so make sure to update to the latest versions available.

  • What is the severity of CVE-2020-3870?

    The severity of CVE-2020-3870 is not mentioned, but it is a vulnerability that should be addressed by applying the recommended updates.

  • Where can I find more information about CVE-2020-3870?

    You can find more information about CVE-2020-3870 on the official Apple support page: [https://support.apple.com/en-us/HT210920](https://support.apple.com/en-us/HT210920)

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