CERTFR-2021-AVI-369

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été corrigées dans les produits Microsoft. Elles permettent à un attaquant de provoquer une élévation de privilèges, une exécution de code à distance, une atteinte à la confidentialité des données, une usurpation d'identité et un contournement de la fonctionnalité 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
Microsoft N/A Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft N/A Skype pour Business Server 2019 CU5
Microsoft N/A Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
Microsoft N/A Microsoft Exchange Server 2016 Cumulative Update 19
Microsoft N/A Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)
Microsoft N/A Dynamics 365 pour Finance and Operations
Microsoft N/A Microsoft Exchange Server 2019 Cumulative Update 8
Microsoft N/A common_utils.py
Microsoft N/A Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
Microsoft N/A Visual Studio Code
Microsoft N/A Microsoft 365 Apps pour Enterprise pour systèmes 32 bits
Microsoft N/A Microsoft 365 Apps pour Enterprise pour 64 bits Systems
Microsoft N/A Skype pour Business Server 2015 CU11
Microsoft N/A Microsoft Exchange Server 2016 Cumulative Update 20
Microsoft N/A Microsoft Exchange Server 2019 Cumulative Update 9
Microsoft N/A Visual Studio 2019 pour Mac version 8.9
Microsoft N/A Microsoft Lync Server 2013 CU10
Microsoft N/A Visual Studio Code Remote - Containers Extension
Microsoft N/A Web Media Extensions
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Microsoft Exchange Server 2013 Cumulative Update 23",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Skype pour Business Server 2019 CU5",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Visual Studio 2019 version 16.7 (includes 16.0 \u2013 16.6)",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Exchange Server 2016 Cumulative Update 19",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Dynamics 365 pour Finance and Operations",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Exchange Server 2019 Cumulative Update 8",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "common_utils.py",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Visual Studio Code",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft 365 Apps pour Enterprise pour syst\u00e8mes 32 bits",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft 365 Apps pour Enterprise pour 64 bits Systems",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Skype pour Business Server 2015 CU11",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Exchange Server 2016 Cumulative Update 20",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Exchange Server 2019 Cumulative Update 9",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Visual Studio 2019 pour Mac version 8.9",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Lync Server 2013 CU10",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Visual Studio Code Remote - Containers Extension",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Web Media Extensions",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "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-2021-26421",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26421"
    },
    {
      "name": "CVE-2021-28465",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-28465"
    },
    {
      "name": "CVE-2021-31195",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31195"
    },
    {
      "name": "CVE-2021-27068",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-27068"
    },
    {
      "name": "CVE-2021-31176",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31176"
    },
    {
      "name": "CVE-2021-31198",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31198"
    },
    {
      "name": "CVE-2021-28455",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-28455"
    },
    {
      "name": "CVE-2021-31211",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31211"
    },
    {
      "name": "CVE-2021-31213",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31213"
    },
    {
      "name": "CVE-2021-31200",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31200"
    },
    {
      "name": "CVE-2021-31179",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31179"
    },
    {
      "name": "CVE-2021-31207",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31207"
    },
    {
      "name": "CVE-2021-31180",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31180"
    },
    {
      "name": "CVE-2021-31174",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31174"
    },
    {
      "name": "CVE-2021-26422",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26422"
    },
    {
      "name": "CVE-2021-31209",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31209"
    },
    {
      "name": "CVE-2021-31214",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31214"
    },
    {
      "name": "CVE-2021-31178",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31178"
    },
    {
      "name": "CVE-2021-31204",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31204"
    },
    {
      "name": "CVE-2021-28461",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-28461"
    },
    {
      "name": "CVE-2021-31175",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31175"
    },
    {
      "name": "CVE-2021-31177",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31177"
    }
  ],
  "links": [],
  "reference": "CERTFR-2021-AVI-369",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-05-12T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Usurpation d\u0027identit\u00e9"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Contournement de la fonctionnalit\u00e9 de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans \u003cspan\nclass=\"textit\"\u003eles produits Microsoft\u003c/span\u003e. Elles permettent \u00e0 un\nattaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, une ex\u00e9cution de\ncode \u00e0 distance, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, une\nusurpation d\u0027identit\u00e9 et un contournement de la fonctionnalit\u00e9 de\ns\u00e9curit\u00e9.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Microsoft",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft du 11 mai 2021",
      "url": "https://portal.msrc.microsoft.com/fr-FR/security-guidance"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.