CVE-2022-46152

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{"affected": [{"affectedData": [{"product": "optee_os", "vendor": "OP-TEE", "versions": [{"status": "affected", "version": "< 3.19.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:trustedfirmware:op-tee:*:*:*:*:*:*:*:*", "matchCriteriaId": "237E041D-A9E9-495F-B2BD-FA550641AE06", "versionEndExcluding": "3.19.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OP-TEE Trusted OS is the secure side implementation of OP-TEE project, a Trusted Execution Environment. Versions prior to 3.19.0, contain an Improper Validation of Array Index vulnerability. The function `cleanup_shm_refs()` is called by both `entry_invoke_command()` and `entry_open_session()`. The commands `OPTEE_MSG_CMD_OPEN_SESSION` and `OPTEE_MSG_CMD_INVOKE_COMMAND` can be executed from the normal world via an OP-TEE SMC. This function is not validating the `num_params` argument, which is only limited to `OPTEE_MSG_MAX_NUM_PARAMS` (127) in the function `get_cmd_buffer()`. Therefore, an attacker in the normal world can craft an SMC call that will cause out-of-bounds reading in `cleanup_shm_refs` and potentially freeing of fake-objects in the function `mobj_put()`. A normal-world attacker with permission to execute SMC instructions may exploit this flaw. Maintainers believe this problem permits local privilege escalation from the normal world to the secure world. Version 3.19.0 contains a fix for this issue. There are no known workarounds."}, {"lang": "es", "value": "OP-TEE Trusted OS es la implementaci\u00f3n segura del proyecto OP-TEE, un entorno de ejecuci\u00f3n confiable. Las versiones anteriores a la 3.19.0 contienen una vulnerabilidad de validaci\u00f3n incorrecta del \u00edndice de matriz. La funci\u00f3n `cleanup_shm_refs()` es llamada tanto por `entry_invoke_command()` como por `entry_open_session()`. Los comandos `OPTEE_MSG_CMD_OPEN_SESSION` y `OPTEE_MSG_CMD_INVOKE_COMMAND` se pueden ejecutar desde el mundo normal a trav\u00e9s de un OP-TEE SMC. Esta funci\u00f3n no valida el argumento `num_params`, que solo se limita a `OPTEE_MSG_MAX_NUM_PARAMS` (127) en la funci\u00f3n `get_cmd_buffer()`. Por lo tanto, un atacante en el mundo normal puede crear una llamada SMC que provocar\u00e1 una lectura fuera de los l\u00edmites en `cleanup_shm_refs` y potencialmente la liberaci\u00f3n de objetos falsos en la funci\u00f3n `mobj_put()`. Un atacante normal con permiso para ejecutar instrucciones SMC puede aprovechar esta falla. Quienes lo mantienen creen que este problema permite una escalada de privilegios locales desde el mundo normal al mundo seguro. La versi\u00f3n 3.19.0 contiene una soluci\u00f3n para este problema. No se conocen workarounds."}], "id": "CVE-2022-46152", "lastModified": "2026-06-17T05:11:18.833", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-46152", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-04-22T15:39:59.424405Z", "version": "2.0.3"}}]}, "published": "2022-11-29T17:15:11.453", "references": [{"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/OP-TEE/optee_os/blob/c2d449482de098f1c894b94f338440e5a327813d/core/tee/entry_std.c#L257"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OP-TEE/optee_os/commit/728616b28df659cf0bdde6e58a471f6ef25d023c"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-65w8-6mrg-52g7"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:X/RC:X/CR:M/IR:M/AR:M/MAV:L/MAC:L/MPR:H/MUI:N/MS:C/MC:H/MI:H/MA:H&version=3.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/OP-TEE/optee_os/blob/c2d449482de098f1c894b94f338440e5a327813d/core/tee/entry_std.c#L257"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OP-TEE/optee_os/commit/728616b28df659cf0bdde6e58a471f6ef25d023c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-65w8-6mrg-52g7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:X/RC:X/CR:M/IR:M/AR:M/MAV:L/MAC:L/MPR:H/MUI:N/MS:C/MC:H/MI:H/MA:H&version=3.1"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-129"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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