high
7.8
CWE
787
Advisory Published
CVE Published
Updated
Advisory Published

CVE-2020-27897: Apple macOS AppleIntelKBLGraphics IOCTL 0x10003 Out-Of-Bounds Write Privilege Escalation Vulnerability

First published: Thu Nov 12 2020(Updated: )

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.

Credit: product-security@apple.com ABC Research s.r.o. Trend Micro Zero Day InitiativeXiaolong Bai Min (Spark) Zheng Alibaba IncLuyi Xing Indiana University BloomingtonABC Research s.r.o. Trend Micro Zero Day InitiativeXiaolong Bai Min (Spark) Zheng Alibaba Inc Luyi Xing Indiana University Bloomington

Affected SoftwareAffected VersionHow to fix
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_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
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-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<11.1
Apple macOS

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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-2020-27897?

    CVE-2020-27897 is an out-of-bounds write vulnerability in the Intel Graphics Driver that has been addressed with improved bounds checking.

  • What is the severity of CVE-2020-27897?

    The severity of CVE-2020-27897 is not specified in the provided information.

  • What software versions are affected by CVE-2020-27897?

    CVE-2020-27897 affects macOS Big Sur versions up to and including 11.0.1, and macOS Catalina and Mojave are also potentially affected.

  • How can I mitigate CVE-2020-27897?

    To mitigate CVE-2020-27897, update your macOS Big Sur to version 11.1 or later when available, as Apple has addressed this vulnerability in macOS Big Sur 11.1.

  • Where can I find more information about CVE-2020-27897?

    More information about CVE-2020-27897 can be found on the Apple support page: [https://support.apple.com/en-us/HT212011](https://support.apple.com/en-us/HT212011)

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