gsd-2020-5231
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
In Opencast before 7.6 and 8.1, users with the role ROLE_COURSE_ADMIN can use the user-utils endpoint to create new users not including the role ROLE_ADMIN. ROLE_COURSE_ADMIN is a non-standard role in Opencast which is referenced neither in the documentation nor in any code (except for tests) but only in the security configuration. From the name – implying an admin for a specific course – users would never expect that this role allows user creation. This issue is fixed in 7.6 and 8.1 which both ship a new default security configuration.
Aliases
Aliases
CVE-2020-5231


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-5231",
    "description": "In Opencast before 7.6 and 8.1, users with the role ROLE_COURSE_ADMIN can use the user-utils endpoint to create new users not including the role ROLE_ADMIN. ROLE_COURSE_ADMIN is a non-standard role in Opencast which is referenced neither in the documentation nor in any code (except for tests) but only in the security configuration. From the name \u2013 implying an admin for a specific course \u2013 users would never expect that this role allows user creation. This issue is fixed in 7.6 and 8.1 which both ship a new default security configuration.",
    "id": "GSD-2020-5231"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-5231"
      ],
      "details": "In Opencast before 7.6 and 8.1, users with the role ROLE_COURSE_ADMIN can use the user-utils endpoint to create new users not including the role ROLE_ADMIN. ROLE_COURSE_ADMIN is a non-standard role in Opencast which is referenced neither in the documentation nor in any code (except for tests) but only in the security configuration. From the name \u2013 implying an admin for a specific course \u2013 users would never expect that this role allows user creation. This issue is fixed in 7.6 and 8.1 which both ship a new default security configuration.",
      "id": "GSD-2020-5231",
      "modified": "2023-12-13T01:22:03.629482Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2020-5231",
        "STATE": "PUBLIC",
        "TITLE": "Opencast users with ROLE_COURSE_ADMIN can create new users"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "opencast",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003c 7.6"
                        },
                        {
                          "version_value": "\u003e= 8.0, \u003c 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, users with the role ROLE_COURSE_ADMIN can use the user-utils endpoint to create new users not including the role ROLE_ADMIN. ROLE_COURSE_ADMIN is a non-standard role in Opencast which is referenced neither in the documentation nor in any code (except for tests) but only in the security configuration. From the name \u2013 implying an admin for a specific course \u2013 users would never expect that this role allows user creation. This issue is fixed in 7.6 and 8.1 which both ship a new default security configuration."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/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-94qw-r73x-j7hg",
            "refsource": "CONFIRM",
            "url": "https://github.com/opencast/opencast/security/advisories/GHSA-94qw-r73x-j7hg"
          },
          {
            "name": "https://github.com/opencast/opencast/commit/72fad0031d8a82c860e2bde0b27570c5042320ee",
            "refsource": "MISC",
            "url": "https://github.com/opencast/opencast/commit/72fad0031d8a82c860e2bde0b27570c5042320ee"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-94qw-r73x-j7hg",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,7.6),[8.0,8.1)",
          "affected_versions": "All versions before 7.6, all versions starting from 8.0 before 8.1",
          "cvss_v2": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-276",
            "CWE-937"
          ],
          "date": "2021-10-20",
          "description": "In Opencast before 7.6 and 8.1, users with the role ROLE_COURSE_ADMIN can use the user-utils endpoint to create new users not including the role ROLE_ADMIN. ROLE_COURSE_ADMIN is a non-standard role in Opencast which is referenced neither in the documentation nor in any code (except for tests) but only in the security configuration. From the name \u2013 implying an admin for a specific course \u2013 users would never expect that this role allows user creation. This issue is fixed in 7.6 and 8.1 which both ship a new default security configuration.",
          "fixed_versions": [
            "7.6",
            "8.1"
          ],
          "identifier": "CVE-2020-5231",
          "identifiers": [
            "GHSA-94qw-r73x-j7hg",
            "CVE-2020-5231"
          ],
          "not_impacted": "All versions starting from 7.6 before 8.0, all versions starting from 8.1",
          "package_slug": "maven/org.opencastproject/opencast-kernel",
          "pubdate": "2020-01-30",
          "solution": "Upgrade to versions 7.6, 8.1 or above.",
          "title": "Incorrect Default Permissions",
          "urls": [
            "https://github.com/opencast/opencast/security/advisories/GHSA-94qw-r73x-j7hg",
            "https://github.com/opencast/opencast/commit/72fad0031d8a82c860e2bde0b27570c5042320ee",
            "https://nvd.nist.gov/vuln/detail/CVE-2020-5231",
            "https://github.com/advisories/GHSA-94qw-r73x-j7hg"
          ],
          "uuid": "d2a5ad04-5b26-464d-b2f7-635b13c9255d"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:apereo:opencast:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "7.6",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:apereo:opencast:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2020-5231"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "In Opencast before 7.6 and 8.1, users with the role ROLE_COURSE_ADMIN can use the user-utils endpoint to create new users not including the role ROLE_ADMIN. ROLE_COURSE_ADMIN is a non-standard role in Opencast which is referenced neither in the documentation nor in any code (except for tests) but only in the security configuration. From the name \u2013 implying an admin for a specific course \u2013 users would never expect that this role allows user creation. This issue is fixed in 7.6 and 8.1 which both ship a new default security configuration."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-276"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/opencast/opencast/commit/72fad0031d8a82c860e2bde0b27570c5042320ee",
              "refsource": "MISC",
              "tags": [
                "Patch"
              ],
              "url": "https://github.com/opencast/opencast/commit/72fad0031d8a82c860e2bde0b27570c5042320ee"
            },
            {
              "name": "https://github.com/opencast/opencast/security/advisories/GHSA-94qw-r73x-j7hg",
              "refsource": "CONFIRM",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://github.com/opencast/opencast/security/advisories/GHSA-94qw-r73x-j7hg"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2020-02-10T21:55Z",
      "publishedDate": "2020-01-30T22:15Z"
    }
  }
}


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