gsd-2023-39963
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a missing password confirmation allowed an attacker, after successfully stealing a session from a logged in user, to create app passwords for the victim. Nextcloud server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.
Aliases
Aliases
CVE-2023-39963


To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-39963",
    "id": "GSD-2023-39963"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-39963"
      ],
      "details": "Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a missing password confirmation allowed an attacker, after successfully stealing a session from a logged in user, to create app passwords for the victim. Nextcloud server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.",
      "id": "GSD-2023-39963",
      "modified": "2023-12-13T01:20:33.309574Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2023-39963",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "security-advisories",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 20.0.0, \u003c 20.0.14.15"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 21.0.0, \u003c 21.0.9.13"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 22.0.0, \u003c 22.2.10.14"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 23.0.0, \u003c 23.0.12.9"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 24.0.0, \u003c 24.0.12.5"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 25.0.0, \u003c 25.0.9"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 26.0.0, \u003c 26.0.4"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 27.0.0, \u003c 27.0.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "nextcloud"
            }
          ]
        }
      },
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      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "value": "Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a missing password confirmation allowed an attacker, after successfully stealing a session from a logged in user, to create app passwords for the victim. Nextcloud server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-284",
                "lang": "eng",
                "value": "CWE-284: Improper Access Control"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j4qm-5q5x-54m5",
            "refsource": "MISC",
            "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j4qm-5q5x-54m5"
          },
          {
            "name": "https://github.com/nextcloud/server/pull/39416",
            "refsource": "MISC",
            "url": "https://github.com/nextcloud/server/pull/39416"
          },
          {
            "name": "https://hackerone.com/reports/2067572",
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            "url": "https://hackerone.com/reports/2067572"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-j4qm-5q5x-54m5",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:27.0.0:*:*:*:-:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*",
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                "versionEndExcluding": "26.0.4",
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                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "25.0.9",
                "versionStartIncluding": "25.0.0",
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              },
              {
                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:27.0.0:*:*:*:enterprise:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
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                "versionStartIncluding": "22.0.0",
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              {
                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
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                "cpe_name": [],
                "versionEndExcluding": "24.0.12.5",
                "versionStartIncluding": "24.0.0",
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              },
              {
                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "25.0.9",
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                "vulnerable": true
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                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
                "cpe_name": [],
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                "versionStartIncluding": "26.0.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
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                "versionStartIncluding": "21.0.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "20.0.14.15",
                "versionStartIncluding": "20.0.0",
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              }
            ],
            "operator": "OR"
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        ]
      },
      "cve": {
        "CVE_data_meta": {
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          "ID": "CVE-2023-39963"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a missing password confirmation allowed an attacker, after successfully stealing a session from a logged in user, to create app passwords for the victim. Nextcloud server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available."
            }
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        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
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              "name": "https://github.com/nextcloud/server/pull/39416",
              "refsource": "MISC",
              "tags": [
                "Patch"
              ],
              "url": "https://github.com/nextcloud/server/pull/39416"
            },
            {
              "name": "https://hackerone.com/reports/2067572",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://hackerone.com/reports/2067572"
            },
            {
              "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j4qm-5q5x-54m5",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j4qm-5q5x-54m5"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-08-16T13:39Z",
      "publishedDate": "2023-08-10T18:15Z"
    }
  }
}


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