Advisory Published
CVE Published
Updated

CVE-2017-13786

First published: Tue Oct 31 2017(Updated: )

APFS. An issue existed in the handling of DMA. This issue was addressed by limiting the time the FileVault decryption buffers are DMA mapped to the duration of the I/O operation.

Credit: Dmytro Oleksiuk product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple Mac OS X<=10.13.0
Apple macOS High Sierra<10.13.1
10.13.1
Apple Sierra
Apple El Capitan

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Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2017-13786?

    CVE-2017-13786 is a vulnerability that exists in the handling of DMA in certain Apple products running macOS before 10.13.1.

  • How can the CVE-2017-13786 vulnerability be exploited?

    The CVE-2017-13786 vulnerability can be exploited by attackers through a crafted Thunderbolt adapter, allowing them to read cleartext APFS data.

  • Which software versions are affected by CVE-2017-13786?

    macOS before 10.13.1, macOS High Sierra up to version 10.13.1, and Apple Sierra and El Capitan are affected by CVE-2017-13786.

  • What is the severity of CVE-2017-13786?

    CVE-2017-13786 has a severity rating of medium with a CVSS score of 4.6.

  • How can I fix CVE-2017-13786?

    To fix the CVE-2017-13786 vulnerability, users should update their macOS to version 10.13.1 or later.

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