high
7.8
CWE
787
Advisory Published
CVE Published
Updated
Advisory Published

CVE-2020-9889: Apple macOS AudioToolboxCore Wave Header Parsing Sign Extension Remote Code Execution Vulnerability

First published: Wed Jul 15 2020(Updated: )

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. Processing a maliciously crafted audio file may lead to arbitrary code execution.

Credit: Yu Zhou @yuzhou6666 Trend Micro Zero Day InitiativeAnonymous Trend MicroJunDong Xie XingWei Lin Ant product-security@apple.com Xingwei Lin Ant

Affected SoftwareAffected VersionHow to fix
tvOS<13.4.8
13.4.8
macOS Catalina<10.15.6
10.15.6
macOS Mojave
macOS High Sierra
Apple iOS and macOS
Apple iOS, iPadOS, and watchOS<13.6
13.6
Apple iOS, iPadOS, and watchOS<13.6
13.6
Apple iOS, iPadOS, and watchOS<6.2.8
6.2.8
Apple iOS, iPadOS, and watchOS<13.6
iOS<13.6
Apple iOS and macOS>=10.13<10.13.6
Apple iOS and macOS>=10.14<10.14.6
Apple iOS and macOS>=10.15<10.15.6
Apple iOS and macOS=10.13.6
Apple iOS and macOS=10.13.6-security_update_2018-002
Apple iOS and macOS=10.13.6-security_update_2018-003
Apple iOS and macOS=10.13.6-security_update_2019-001
Apple iOS and macOS=10.13.6-security_update_2019-002
Apple iOS and macOS=10.13.6-security_update_2019-003
Apple iOS and macOS=10.13.6-security_update_2019-004
Apple iOS and macOS=10.13.6-security_update_2019-005
Apple iOS and macOS=10.13.6-security_update_2019-006
Apple iOS and macOS=10.13.6-security_update_2019-007
Apple iOS and macOS=10.13.6-security_update_2020-001
Apple iOS and macOS=10.13.6-security_update_2020-002
Apple iOS and macOS=10.13.6-security_update_2020-003
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
tvOS<13.4.8
Apple iOS, iPadOS, and watchOS<6.2.8

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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-2020-9889?

    CVE-2020-9889 is a vulnerability related to an out-of-bounds write issue in the Audio component of Apple software.

  • How does CVE-2020-9889 affect macOS Catalina?

    CVE-2020-9889 affects macOS Catalina versions up to, but not including, 10.15.6.

  • How does CVE-2020-9889 affect Apple Mojave?

    CVE-2020-9889 affects Apple Mojave.

  • How does CVE-2020-9889 affect Apple High Sierra?

    CVE-2020-9889 affects Apple High Sierra.

  • How does CVE-2020-9889 affect Apple iOS?

    CVE-2020-9889 affects Apple iOS versions up to, but not including, 13.6.

  • How does CVE-2020-9889 affect Apple iPadOS?

    CVE-2020-9889 affects Apple iPadOS versions up to, but not including, 13.6.

  • How does CVE-2020-9889 affect Apple watchOS?

    CVE-2020-9889 affects Apple watchOS versions up to, but not including, 6.2.8.

  • How does CVE-2020-9889 affect Apple tvOS?

    CVE-2020-9889 affects Apple tvOS versions up to, but not including, 13.4.8.

  • How can I fix CVE-2020-9889?

    To fix CVE-2020-9889, update your Apple software to the corresponding or later versions mentioned in the Apple security advisory.

  • Where can I find more information about CVE-2020-9889?

    You can find more information about CVE-2020-9889 in the Apple security advisories: [link1](https://support.apple.com/en-us/HT211289), [link2](https://support.apple.com/en-us/HT211288), [link3](https://support.apple.com/en-us/HT211291).

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