{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-39394", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "dateUpdated": "2024-08-03T12:07:41.252Z", "dateReserved": "2022-09-02T00:00:00", "datePublished": "2022-11-10T00:00:00"}, "containers": {"cna": {"title": "wasmtime_trap_code C API function has out of bounds write vulnerability", "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2022-11-10T00:00:00"}, "descriptions": [{"lang": "en", "value": "Wasmtime is a standalone runtime for WebAssembly. Prior to version 2.0.2, there is a bug in Wasmtime's C API implementation where the definition of the `wasmtime_trap_code` does not match its declared signature in the `wasmtime/trap.h` header file. This discrepancy causes the function implementation to perform a 4-byte write into a 1-byte buffer provided by the caller. This can lead to three zero bytes being written beyond the 1-byte location provided by the caller. This bug has been patched and users should upgrade to Wasmtime 2.0.2. This bug can be worked around by providing a 4-byte buffer casted to a 1-byte buffer when calling `wasmtime_trap_code`. Users of the `wasmtime` crate are not affected by this issue, only users of the C API function `wasmtime_trap_code` are affected."}], "affected": [{"vendor": "bytecodealliance", "product": "wasmtime", "versions": [{"version": "< 2.0.2", "status": "affected"}]}], "references": [{"url": "https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-h84q-m8rr-3v9q"}, {"url": "https://github.com/bytecodealliance/wasmtime/commit/087d9d7becf7422b3f872a3bcd5d97bb7ce7ff36"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseScore": 3.8, "baseSeverity": "LOW"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-787: Out-of-bounds Write", "cweId": "CWE-787"}]}], "source": {"advisory": "GHSA-h84q-m8rr-3v9q", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T12:07:41.252Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-h84q-m8rr-3v9q", "tags": ["x_transferred"]}, {"url": "https://github.com/bytecodealliance/wasmtime/commit/087d9d7becf7422b3f872a3bcd5d97bb7ce7ff36", "tags": ["x_transferred"]}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:rust:*:*", "matchCriteriaId": "DD102201-19F4-4CB7-828B-0B8A8A209919", "versionEndExcluding": "1.0.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:rust:*:*", "matchCriteriaId": "838C8442-0507-4DFD-B6B8-29462F63E721", "versionEndExcluding": "2.0.2", "versionStartIncluding": "2.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Wasmtime is a standalone runtime for WebAssembly. Prior to version 2.0.2, there is a bug in Wasmtime's C API implementation where the definition of the `wasmtime_trap_code` does not match its declared signature in the `wasmtime/trap.h` header file. This discrepancy causes the function implementation to perform a 4-byte write into a 1-byte buffer provided by the caller. This can lead to three zero bytes being written beyond the 1-byte location provided by the caller. This bug has been patched and users should upgrade to Wasmtime 2.0.2. This bug can be worked around by providing a 4-byte buffer casted to a 1-byte buffer when calling `wasmtime_trap_code`. Users of the `wasmtime` crate are not affected by this issue, only users of the C API function `wasmtime_trap_code` are affected."}, {"lang": "es", "value": "Wasmtime es un tiempo de ejecuci\u00f3n independiente para WebAssembly. Antes de la versi\u00f3n 2.0.2, hab\u00eda un error en la implementaci\u00f3n de la API C de Wasmtime donde la definici\u00f3n de `wasmtime_trap_code` no coincide con su firma declarada en el archivo de encabezado `wasmtime/trap.h`. Esta discrepancia hace que la implementaci\u00f3n de la funci\u00f3n realice una escritura de 4 bytes en un b\u00fafer de 1 byte proporcionado por la persona que llama. Esto puede provocar que se escriban tres bytes cero m\u00e1s all\u00e1 de la ubicaci\u00f3n de 1 byte proporcionada por la persona que llama. Este error ha sido corregido y los usuarios deben actualizar a Wasmtime 2.0.2. Este error se puede solucionar proporcionando un b\u00fafer de 4 bytes convertido a un b\u00fafer de 1 byte al llamar a `wasmtime_trap_code`. Los usuarios de la caja `wasmtime` no se ven afectados por este problema, solo los usuarios de la funci\u00f3n API de C `wasmtime_trap_code` se ven afectados."}], "id": "CVE-2022-39394", "lastModified": "2024-11-21T07:18:12.087", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.8, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.3, "impactScore": 3.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-11-10T20:15:11.850", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/bytecodealliance/wasmtime/commit/087d9d7becf7422b3f872a3bcd5d97bb7ce7ff36"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-h84q-m8rr-3v9q"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/bytecodealliance/wasmtime/commit/087d9d7becf7422b3f872a3bcd5d97bb7ce7ff36"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-h84q-m8rr-3v9q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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