CERTFR-2021-AVI-819
Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans les produits Nextcloud. Elles permettent à un attaquant de provoquer un contournement de la politique de sécurité, une atteinte à la confidentialité des données et une injection de code indirecte à distance (XSS).

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 Talk versions antérieures à 10.0.7, 10.1.4 et 11.1.2
Nextcloud N/A Nextcloud Contacts versions antérieures à 4.0.3
Nextcloud N/A Nextcloud Mail versions antérieures à 1.10.4
Nextcloud N/A Nextcloud Richdocuments versions antérieures à 3.8.6 et 4.2.3
Nextcloud N/A Nextcloud OfficeOnline versions antérieures à 1.1.1
References

Show details on source website

To clipboard 

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Nextcloud Talk versions ant\u00e9rieures \u00e0 10.0.7, 10.1.4 et 11.1.2",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Nextcloud Contacts versions ant\u00e9rieures \u00e0 4.0.3",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Nextcloud Mail versions ant\u00e9rieures \u00e0 1.10.4",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Nextcloud Richdocuments versions ant\u00e9rieures \u00e0 3.8.6 et 4.2.3",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Nextcloud OfficeOnline versions ant\u00e9rieures \u00e0 1.1.1",
      "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-2021-39223",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-39223"
    },
    {
      "name": "CVE-2021-39224",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-39224"
    },
    {
      "name": "CVE-2021-39221",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-39221"
    },
    {
      "name": "CVE-2021-39222",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-39222"
    },
    {
      "name": "CVE-2021-39220",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-39220"
    }
  ],
  "initial_release_date": "2021-10-25T00:00:00",
  "last_revision_date": "2021-10-25T00:00:00",
  "links": [],
  "reference": "CERTFR-2021-AVI-819",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-10-25T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Injection de code indirecte \u00e0 distance (XSS)"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits\nNextcloud. Elles permettent \u00e0 un attaquant de provoquer un contournement\nde la politique de s\u00e9curit\u00e9, une atteinte \u00e0 la confidentialit\u00e9 des\ndonn\u00e9es et une injection de code indirecte \u00e0 distance (XSS).\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Nextcloud",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud du 25 octobre 2021",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56wm-r6jm-3v9h"
    }
  ]
}


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