CVE-2017-13786

low-risk

Published 2017-11-13

An issue was discovered in certain Apple products. macOS before 10.13.1 is affected. The issue involves the "APFS" component. It does not properly restrict the DMA mapping time of FileVault decryption buffers, which allows attackers to read cleartext APFS data via a crafted Thunderbolt adapter.

Do I need to act?

0.07% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.6/10 Medium

PHYSICAL / LOW complexity

Affected Products (1)

Mac Os X

Affected Vendors

Apple

References (4)

Third Party Advisory http://www.securitytracker.com/id/1039710

Vendor Advisory https://support.apple.com/HT208221

Third Party Advisory http://www.securitytracker.com/id/1039710

Vendor Advisory https://support.apple.com/HT208221

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low-risk

Severity 16/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal