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CVE

CWE

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CVE-2021-40327

Published: Jan 13, 2022

Modified: Aug 4, 2024

PUBLISHED

Description

Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is used, has incorrect access control. NSPE can access a secure key (held by the Crypto service) based solely on knowledge of its key ID. For example, there is no authorization check associated with the relationship between a caller and a key owner.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://developer.arm.com/support/arm-security-updates

x_refsource_MISC

https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/

x_refsource_MISC

https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.html

x_refsource_CONFIRM

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