CVE-2020-8938

{"containers": {"cna": {"affected": [{"product": "Asylo", "vendor": "Google LLC", "versions": [{"lessThanOrEqual": "0.6.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Qinkun Bao (Baidu Security)"}, {"lang": "en", "value": "Zhaofeng Chen (Baidu Security)"}, {"lang": "en", "value": "Mingshen Sun (Baidu Security)"}, {"lang": "en", "value": "Kang Li (Baidu Security)"}], "descriptions": [{"lang": "en", "value": "An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allows an attacker to make a host call to FromkLinuxSockAddr with attacker controlled content and size of klinux_addr which allows an attacker to write memory values from within the enclave. We recommend upgrading past commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02"}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Arbitrary enclave memory write from untrusted environment", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-12-15T14:55:34.000Z", "orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39"}], "solutions": [{"lang": "en", "value": "Upgrade past commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02"}], "source": {"discovery": "EXTERNAL"}, "title": "Arbitrary enclave memory location write from untrusted environment", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@google.com", "ID": "CVE-2020-8938", "STATE": "PUBLIC", "TITLE": "Arbitrary enclave memory location write from untrusted environment"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Asylo", "version": {"version_data": [{"version_affected": "<=", "version_value": "0.6.0"}]}}]}, "vendor_name": "Google LLC"}]}}, "credit": [{"lang": "eng", "value": "Qinkun Bao (Baidu Security)"}, {"lang": "eng", "value": "Zhaofeng Chen (Baidu Security)"}, {"lang": "eng", "value": "Mingshen Sun (Baidu Security)"}, {"lang": "eng", "value": "Kang Li (Baidu Security)"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allows an attacker to make a host call to FromkLinuxSockAddr with attacker controlled content and size of klinux_addr which allows an attacker to write memory values from within the enclave. We recommend upgrading past commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02"}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Arbitrary enclave memory write from untrusted environment"}]}]}, "references": {"reference_data": [{"name": "https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39", "refsource": "CONFIRM", "url": "https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39"}]}, "solution": [{"lang": "en", "value": "Upgrade past commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02"}], "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T10:12:11.012Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39"}]}]}, "cveMetadata": {"assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "assignerShortName": "Google", "cveId": "CVE-2020-8938", "datePublished": "2020-12-15T14:55:35.000Z", "dateReserved": "2020-02-12T00:00:00.000Z", "dateUpdated": "2024-08-04T10:12:11.012Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Asylo", "vendor": "Google LLC", "versions": [{"lessThanOrEqual": "0.6.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "cve-coordination@google.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*", "matchCriteriaId": "D4356338-A28E-442E-BD14-1A927E3824E9", "versionEndIncluding": "0.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allows an attacker to make a host call to FromkLinuxSockAddr with attacker controlled content and size of klinux_addr which allows an attacker to write memory values from within the enclave. We recommend upgrading past commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02"}, {"lang": "es", "value": "Una vulnerabilidad de sobreescritura de memoria arbitraria en Asylo versiones hasta 0.6.0, permite a un atacante realizar una llamada de host a la funci\u00f3n FromkLinuxSockAddr con contenido controlado por el atacante y tama\u00f1o de klinux_addr que permite a un atacante escribir valores de memoria desde dentro del enclave.&#xa0;Recomendamos actualizar m\u00e1s all\u00e1 del commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02"}], "id": "CVE-2020-8938", "lastModified": "2026-06-17T03:27:12.247", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 4.2, "source": "cve-coordination@google.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-15T15:15:13.300", "references": [{"source": "cve-coordination@google.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39"}], "sourceIdentifier": "cve-coordination@google.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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