CVE-2022-47549

CVSS 6.4 MEDIUMEPSS 0.4%CWE-347

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.4EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

19 Dec 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a · n/a

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References

https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6g https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf