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 Software | Affected Version | How 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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(Found alongside the following vulnerabilities)
CVE-2017-13786 is a vulnerability that exists in the handling of DMA in certain Apple products running macOS before 10.13.1.
The CVE-2017-13786 vulnerability can be exploited by attackers through a crafted Thunderbolt adapter, allowing them to read cleartext APFS data.
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.
CVE-2017-13786 has a severity rating of medium with a CVSS score of 4.6.
To fix the CVE-2017-13786 vulnerability, users should update their macOS to version 10.13.1 or later.