Vulnerability Monitor

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CVE-2022-47549

An unprotected memory-access operation in optee_os in TrustedFirmware Open Portable Trusted Execution Environment (OP-TEE) before 3.20 allows a physically proximate adversary to bypass signature verification and install malicious trusted applications via electromagnetic fault injections.

Published

2022-12-19T09:15:09.637

Last Modified

2025-04-17T14:15:24.600

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.4 (MEDIUM)

Weaknesses

Type: Primary
CWE-347
Type: Secondary
CWE-347

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linaro	op-tee	< 3.20	Yes

References

https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6g Third Party Advisory ([email protected])
https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf Exploit, Technical Description, Vendor Advisory ([email protected])
https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6g Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf Exploit, Technical Description, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)