certfr_avis - certfr-2023-avi-0845

CERTFR-2023-AVI-0845

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été découverte dans Nextcloud Server. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

Vendor	Product	Description
Nextcloud	N/A	Nextcloud Server Entreprise versions 22.x.x.x antérieures à 22.2.10.14
Nextcloud	N/A	Nextcloud Server Enterprise versions 26.x.x antérieures à 26.0.4
Nextcloud	N/A	Nextcloud Server Enterprise versions 24.x.x.x antérieures à 24.0.12.5
Nextcloud	N/A	Nextcloud Server versions 26.x.x antérieures à 26.0.4
Nextcloud	N/A	Nextcloud Server versions 25.x.x antérieures à 25.0.9
Nextcloud	N/A	Nextcloud Server Enterprise versions 23.x.x.x antérieures à 23.0.12.9
Nextcloud	N/A	Nextcloud Server Enterprise versions 25.x.x antérieures à 25.0.9

References

Title

Publication Time

Tags

Bulletin de sécurité Nextcloud GHSA-2hrc-5fgp-c9c9 du 13 octobre 2023

None

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Nextcloud Server Entreprise versions 22.x.x.x ant\u00e9rieures \u00e0 22.2.10.14",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Nextcloud Server Enterprise versions 26.x.x ant\u00e9rieures \u00e0 26.0.4",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Nextcloud Server Enterprise versions 24.x.x.x ant\u00e9rieures \u00e0 24.0.12.5",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Nextcloud Server versions 26.x.x ant\u00e9rieures \u00e0 26.0.4",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Nextcloud Server versions 25.x.x ant\u00e9rieures \u00e0 25.0.9",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Nextcloud Server Enterprise versions 23.x.x.x ant\u00e9rieures \u00e0 23.0.12.9",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Nextcloud Server Enterprise versions 25.x.x ant\u00e9rieures \u00e0 25.0.9",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2023-39960",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-39960"
    }
  ],
  "links": [],
  "reference": "CERTFR-2023-AVI-0845",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2023-10-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans\u003cspan class=\"textit\"\u003e Nextcloud\nServer\u003c/span\u003e. Elle permet \u00e0 un attaquant de provoquer un contournement\nde la politique de s\u00e9curit\u00e9.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans Nextcloud Server",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-2hrc-5fgp-c9c9 du 13 octobre 2023",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2hrc-5fgp-c9c9"
    }
  ]
}

CVE-2023-39960 (GCVE-0-2023-39960)

Vulnerability from cvelistv5 – Published: 2023-10-13 12:07 – Updated: 2024-09-17 20:32

Summary

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing protection allows an attacker to brute force passwords on the WebDAV API. Nextcloud Server 25.0.9 and 26.0.4 and Nextcloud Enterprise Server 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4 contain patches for this issue. No known workarounds are available.

Severity ?

5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts

Assigner

GitHub_M

References

URL

Tags

	https://github.com/nextcloud/security-advisories/…	x_refsource_CONFIRM
	https://github.com/nextcloud/server/pull/38046	x_refsource_MISC
	https://hackerone.com/reports/1924212	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	nextcloud	security-advisories	Affected: >= 22.0.0, < 22.2.10.14 Affected: >= 23.0.0, < 23.0.12.9 Affected: >= 24.0.0, < 24.0.12.5 Affected: >= 25.0.0, < 25.0.9 Affected: >= 26.0.0, < 26.0.4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T18:18:10.121Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2hrc-5fgp-c9c9",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2hrc-5fgp-c9c9"
          },
          {
            "name": "https://github.com/nextcloud/server/pull/38046",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/nextcloud/server/pull/38046"
          },
          {
            "name": "https://hackerone.com/reports/1924212",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/1924212"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-39960",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-17T20:31:46.041277Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-17T20:32:00.464Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "security-advisories",
          "vendor": "nextcloud",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 22.0.0, \u003c 22.2.10.14"
            },
            {
              "status": "affected",
              "version": "\u003e= 23.0.0, \u003c 23.0.12.9"
            },
            {
              "status": "affected",
              "version": "\u003e= 24.0.0, \u003c 24.0.12.5"
            },
            {
              "status": "affected",
              "version": "\u003e= 25.0.0, \u003c 25.0.9"
            },
            {
              "status": "affected",
              "version": "\u003e= 26.0.0, \u003c 26.0.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing protection allows an attacker to brute force passwords on the WebDAV API. Nextcloud Server 25.0.9 and 26.0.4 and Nextcloud Enterprise Server 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4 contain patches for this issue. No known workarounds are available."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-307",
              "description": "CWE-307: Improper Restriction of Excessive Authentication Attempts",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-13T12:07:59.934Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2hrc-5fgp-c9c9",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2hrc-5fgp-c9c9"
        },
        {
          "name": "https://github.com/nextcloud/server/pull/38046",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nextcloud/server/pull/38046"
        },
        {
          "name": "https://hackerone.com/reports/1924212",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/1924212"
        }
      ],
      "source": {
        "advisory": "GHSA-2hrc-5fgp-c9c9",
        "discovery": "UNKNOWN"
      },
      "title": "Nextcloud Server has improper restriction of excessive authentication attempts on WebDAV endpoint"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-39960",
    "datePublished": "2023-10-13T12:07:59.934Z",
    "dateReserved": "2023-08-07T16:27:27.076Z",
    "dateUpdated": "2024-09-17T20:32:00.464Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CERTFR-2023-AVI-0845

Solution

CVE-2023-39960 (GCVE-0-2023-39960)

Tags

Sightings

Nomenclature