CERTFR-2021-AVI-057

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans Moodle. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service à distance et 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
Moodle Moodle Moodle versions 3.8.x antérieures à 3.8.7
Moodle Moodle Moodle versions 3.10.x antérieures à 3.10.1
Moodle Moodle Moodle versions 3.5.x antérieures à 3.5.16
Moodle Moodle Moodle versions 3.9.x antérieures à 3.9.4
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Moodle versions 3.8.x ant\u00e9rieures \u00e0 3.8.7",
      "product": {
        "name": "Moodle",
        "vendor": {
          "name": "Moodle",
          "scada": false
        }
      }
    },
    {
      "description": "Moodle versions 3.10.x ant\u00e9rieures \u00e0 3.10.1",
      "product": {
        "name": "Moodle",
        "vendor": {
          "name": "Moodle",
          "scada": false
        }
      }
    },
    {
      "description": "Moodle versions 3.5.x ant\u00e9rieures \u00e0 3.5.16",
      "product": {
        "name": "Moodle",
        "vendor": {
          "name": "Moodle",
          "scada": false
        }
      }
    },
    {
      "description": "Moodle versions 3.9.x ant\u00e9rieures \u00e0 3.9.4",
      "product": {
        "name": "Moodle",
        "vendor": {
          "name": "Moodle",
          "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-2021-20186",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20186"
    },
    {
      "name": "CVE-2021-20184",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20184"
    },
    {
      "name": "CVE-2021-20185",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20185"
    },
    {
      "name": "CVE-2021-20187",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20187"
    },
    {
      "name": "CVE-2021-20183",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20183"
    }
  ],
  "links": [],
  "reference": "CERTFR-2021-AVI-057",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-01-26T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Injection de code indirecte \u00e0 distance (XSS)"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Moodle. Certaines\nd\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de\ncode arbitraire, un d\u00e9ni de service \u00e0 distance et un contournement de la\npolitique de s\u00e9curit\u00e9.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Moodle",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Moodle MSA-21-0005 du 25 janvier 2021",
      "url": "https://moodle.org/mod/forum/discuss.php?d=417171"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Moodle MSA-21-0003 du 25 janvier 2021",
      "url": "https://moodle.org/mod/forum/discuss.php?d=417168"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Moodle MSA-21-0001 du 25 janvier 2021",
      "url": "https://moodle.org/mod/forum/discuss.php?d=417166"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Moodle MSA-21-0004 du 25 janvier 2021",
      "url": "https://moodle.org/mod/forum/discuss.php?d=417170"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Moodle MSA-21-0002 du 25 janvier 2021",
      "url": "https://moodle.org/mod/forum/discuss.php?d=417167"
    }
  ]
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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