The latest security information on Intel® products.
2019.2 IPU – Intel® SGX and TXT Advisory
| Intel ID: | INTEL-SA-00220 |
|---|---|
| Advisory Category: | Firmware |
| Impact of vulnerability: | Escalation of Privilege |
| Severity rating: | HIGH |
| Original release: | 11/12/2019 |
| Last revised: | 11/12/2019 |
Summary:
Potential security vulnerabilities in Intel® Software Guard Extensions (SGX) and Intel® Trusted Execution Technology (TXT) may allow escalation of privilege. Intel is releasing firmware updates to mitigate these potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2019-0123
Description: Insufficient memory protection in Intel(R) 6th Generation Core Processors and greater, supporting SGX, may allow a privileged user to potentially enable escalation of privilege via local access.
CVSS Base Score: 8.2 High
CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVEID: CVE-2019-0124
Description: Insufficient memory protection in Intel(R) 6th Generation Core Processors and greater, supporting TXT, may allow a privileged user to potentially enable escalation of privilege via local access.
CVSS Base Score: 8.2 High
CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected Products:
- 6th Generation Intel® Core™ Processors
- 7th Generation Intel® Core™ Processors
- 8th Generation Intel® Core™ Processors
- 9th Generation Intel® Core™ Processors
- 10th Generation Intel® Core™ Processors (does not affect 10xxGx processors)
- Intel® Xeon® Processor E3 v5 Family
- Intel® Xeon® Processor E3 v6 Family
- Intel® Xeon® Processor E-2100 Family
- Intel® Xeon® Processor E-2200 Family
Recommendations:
Intel recommends following the steps below to address these issues:
- For all affected Intel® Processor systems utilizing Intel® SGX and/or Intel® TXT, Intel recommends that end users apply the most current BIOS updates from their system manufacturers as soon as possible.
- Intel recommends that customers deploy available security updates as soon as possible.
- Application providers please refer to Intel® SGX Attestation Technical Details to determine whether you may need to implement changes to your SGX application for SGX attestation service.
Acknowledgements:
These issues were found internally by Intel employees. Intel would like to thank Avishai Redelman and Barry E. Huntley.
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 deployed.
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