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AUSCERT External Security Bulletin Redistribution
Intel SGX Platform Software Advisory
10 February 2021
AusCERT Security Bulletin Summary
Product: Intel SGX Platform Software
Operating System: Windows
Impact/Access: Denial of Service -- Existing Account
CVE Names: CVE-2020-24452
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Intel ID: INTEL-SA-00444
Advisory Category: Software
Impact of vulnerability : Denial of Service
Severity rating : MEDIUM
Original release: 02/09/2021
Last revised: 02/09/2021
A potential security vulnerability in the Intel Software Guard Extensions (SGX)
Platform Software for Windows* may allow denial of service. Intel has released
software updates to mitigate this potential vulnerability.
Description: Improper input validation in the Intel(R) SGX Platform Software
for Windows* may allow an authenticated user to potentially enable a denial of
service via local access.
CVSS Base Score: 6.5 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Intel SGX Platform Software before version 18.104.22.168 for Windows* Server 2016,
Windows* Server 2019, Windows* 10 S, Windows* 10 version 1709 or later.
Intel recommends updating the Intel SGX Platform Software for Windows* to
version 22.214.171.124 or later.
Updates are available for download at this location:
Intel would like to thank Timothee Schneider for reporting this issue.
Intel, and nearly the entire technology industry, follows a disclosure practice
called Coordinated Disclosure, under which a cybersecurity vulnerability is
generally publicly disclosed only after mitigations are available.
Revision Date Description
1.0 02/09/2021 Initial Release
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