{ "containers": { "cna": { "affected": [ { "product": "opencast", "vendor": "opencast", "versions": [ { "status": "affected", "version": "< 7.6" }, { "status": "affected", "version": ">= 8.0, < 8.1" } ] } ], "descriptions": [ { "lang": "en", "value": "In Opencast before 7.6 and 8.1, using a remember-me cookie with an arbitrary username can cause Opencast to assume proper authentication for that user even if the remember-me cookie was incorrect given that the attacked endpoint also allows anonymous access. This way, an attacker can, for example, fake a remember-me token, assume the identity of the global system administrator and request non-public content from the search service without ever providing any proper authentication. This problem is fixed in Opencast 7.6 and Opencast 8.1" } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-285", "description": "CWE-285: Improper Authorization", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2020-01-30T21:25:16.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/opencast/opencast/security/advisories/GHSA-vmm6-w4cf-7f3x" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/opencast/opencast/commit/b157e1fb3b35991ca7bf59f0730329fbe7ce82e8" } ], "source": { "advisory": "GHSA-vmm6-w4cf-7f3x", "discovery": "UNKNOWN" }, "title": "Authentication Bypass For Endpoints With Anonymous Access in OpenCast", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-5206", "STATE": "PUBLIC", "TITLE": "Authentication Bypass For Endpoints With Anonymous Access in OpenCast" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "opencast", "version": { "version_data": [ { "version_value": "< 7.6" }, { "version_value": ">= 8.0, < 8.1" } ] } } ] }, "vendor_name": "opencast" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In Opencast before 7.6 and 8.1, using a remember-me cookie with an arbitrary username can cause Opencast to assume proper authentication for that user even if the remember-me cookie was incorrect given that the attacked endpoint also allows anonymous access. This way, an attacker can, for example, fake a remember-me token, assume the identity of the global system administrator and request non-public content from the search service without ever providing any proper authentication. This problem is fixed in Opencast 7.6 and Opencast 8.1" } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-285: Improper Authorization" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/opencast/opencast/security/advisories/GHSA-vmm6-w4cf-7f3x", "refsource": "CONFIRM", "url": "https://github.com/opencast/opencast/security/advisories/GHSA-vmm6-w4cf-7f3x" }, { "name": "https://github.com/opencast/opencast/commit/b157e1fb3b35991ca7bf59f0730329fbe7ce82e8", "refsource": "MISC", "url": "https://github.com/opencast/opencast/commit/b157e1fb3b35991ca7bf59f0730329fbe7ce82e8" } ] }, "source": { "advisory": "GHSA-vmm6-w4cf-7f3x", "discovery": "UNKNOWN" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T08:22:08.781Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/opencast/opencast/security/advisories/GHSA-vmm6-w4cf-7f3x" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/opencast/opencast/commit/b157e1fb3b35991ca7bf59f0730329fbe7ce82e8" } ] } ] }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-5206", "datePublished": "2020-01-30T21:25:16.000Z", "dateReserved": "2020-01-02T00:00:00.000Z", "dateUpdated": "2024-08-04T08:22:08.781Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }