{ "containers": { "cna": { "affected": [ { "product": "Asylo", "vendor": "Google LLC", "versions": [ { "lessThan": "0.6.0", "status": "affected", "version": "stable", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "value": "Qinkun Bao, Zhaofeng Chen, Mingshen Sun, and Kang Li from Baidu Security" } ], "datePublic": "2020-07-22T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "An arbitrary memory overwrite vulnerability in the trusted memory of Asylo exists in versions prior to 0.6.0. As the ecall_restore function fails to validate the range of the output_len pointer, an attacker can manipulate the tmp_output_len value and write to an arbitrary location in the trusted (enclave) memory. We recommend updating Asylo to version 0.6.0 or later." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-823", "description": "CWE-823 Use of Out-of-range Pointer Offset", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2020-08-12T18:20:12.000Z", "orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/google/asylo/commit/e582f36ac49ee11a21d23ad6a30c333092e0a94e" } ], "source": { "discovery": "EXTERNAL" }, "title": "Arbitrary trusted memory overwrite vulnerability in Asylo", "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security@google.com", "DATE_PUBLIC": "2020-07-22T00:22:00.000Z", "ID": "CVE-2020-8904", "STATE": "PUBLIC", "TITLE": "Arbitrary trusted memory overwrite vulnerability in Asylo" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Asylo", "version": { "version_data": [ { "version_affected": "<", "version_name": "stable", "version_value": "0.6.0" } ] } } ] }, "vendor_name": "Google LLC" } ] } }, "credit": [ { "lang": "eng", "value": "Qinkun Bao, Zhaofeng Chen, Mingshen Sun, and Kang Li from Baidu Security" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An arbitrary memory overwrite vulnerability in the trusted memory of Asylo exists in versions prior to 0.6.0. As the ecall_restore function fails to validate the range of the output_len pointer, an attacker can manipulate the tmp_output_len value and write to an arbitrary location in the trusted (enclave) memory. We recommend updating Asylo to version 0.6.0 or later." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-823 Use of Out-of-range Pointer Offset" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/google/asylo/commit/e582f36ac49ee11a21d23ad6a30c333092e0a94e", "refsource": "CONFIRM", "url": "https://github.com/google/asylo/commit/e582f36ac49ee11a21d23ad6a30c333092e0a94e" } ] }, "source": { "discovery": "EXTERNAL" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T10:12:11.014Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/google/asylo/commit/e582f36ac49ee11a21d23ad6a30c333092e0a94e" } ] } ] }, "cveMetadata": { "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "assignerShortName": "Google", "cveId": "CVE-2020-8904", "datePublished": "2020-08-12T18:20:13.047Z", "dateReserved": "2020-02-12T00:00:00.000Z", "dateUpdated": "2024-09-16T23:21:07.649Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }