6.4 - CVE-2022-47549

Executive Summary

Informations
Name	CVE-2022-47549	First vendor Publication	2022-12-19
Vendor	Cve	Last vendor Modification	2022-12-28

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score	6.4
Base Score	6.4	Environmental Score	6.4
impact SubScore	5.9	Temporal Score	6.4
Exploitabality Sub Score	0.5

Attack Vector	Physical	Attack Complexity	High
Privileges Required	None	User Interaction	None
Scope	Unchanged	Confidentiality Impact	High
Integrity Impact	High	Availability Impact	High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score	N/A	Attack Range	N/A
Cvss Impact Score	N/A	Attack Complexity	N/A
Cvss Expoit Score	N/A	Authentication	N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-47549

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-347	Improper Verification of Cryptographic Signature

CPE : Common Platform Enumeration

Type	Description	Count
Os	Linaro Op-Tee cpe:2.3:o:linaro:op-tee:::::::: cpe:2.3:o:linaro:op-tee:-:::::::*	2

Sources (Detail)

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