-----BEGIN PGP SIGNED MESSAGE-----
AUSCERT External Security Bulletin Redistribution
Crypto API Toolkit for Intel SGX Advisory
10 November 2021
AusCERT Security Bulletin Summary
Product: Crypto API Toolkit
Operating System: Linux variants
Impact/Access: Increased Privileges -- Existing Account
CVE Names: CVE-2021-33097
- --------------------------BEGIN INCLUDED TEXT--------------------
Intel ID: INTEL-SA-00565
Advisory Category: Software
Impact of vulnerability : Escalation of Privilege
Severity rating : MEDIUM
Original release: 11/09/2021
Last revised: 11/09/2021
A potential security vulnerability in the Crypto API Toolkit for Intel SGX may
allow escalation of privilege. Intel is releasing software updates to mitigate
this potential vulnerability.
Description: Time-of-check time-of-use vulnerability in the Crypto API Toolkit
for Intel(R) SGX may allow a privileged user to potentially enable escalation
of privilege via network access.
CVSS Base Score: 6.8 Medium
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Crypto API Toolkit for Intel(R) SGX downloaded before Aug 2, 2021.
Intel recommends updating to the latest version of the Crypto API Toolkit for
Intel(R) SGX available at Crypto API Toolkit for Intel(R) SGX .
Intel would like to thank the researchers listed below for reporting this
. David Oswald & Jesse Spielman - University of Birmingham, UK
. Fritz Alder, Jo Van Bulck & Frank Piessens - imec-DistriNet, KU Leuven,
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 11/09/2021 Initial Release
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to firstname.lastname@example.org
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
Australian Computer Emergency Response Team
The University of Queensland
Internet Email: email@example.com
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
-----BEGIN PGP SIGNATURE-----
-----END PGP SIGNATURE-----