{"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"}