CERTFR-2025-AVI-0880

Vulnerability from certfr_avis - Published: 2025-10-15 - Updated: 2025-10-15

De multiples vulnérabilités ont été découvertes dans Microsoft .Net. Elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et un contournement de la politique de sécurité.

Solutions

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

Impacted products
Vendor Product Description
Microsoft .Net .NET 8.0 installé sur Mac OS versions antérieures à 8.0.21
Microsoft .Net Microsoft .NET Framework 4.8 versions antérieures à 4.8.04798.04
Microsoft .Net .NET 9.0 installé sur Linux versions antérieures à 9.0.10
Microsoft .Net ASP.NET Core 9.0 versions antérieures à 9.0.10
Microsoft .Net Microsoft .NET Framework 3.5 et 4.7.2 versions antérieures à 10.0.14393.8519
Microsoft .Net Microsoft .NET Framework 3.5.1 versions antérieures à 2.0.50727.8981
Microsoft .Net Microsoft .NET Framework 2.0 Service Pack 2 versions antérieures à 2.0.50727.8981
Microsoft .Net Microsoft .NET Framework 3.0 Service Pack 2 versions antérieures à 2.0.50727.8981
Microsoft .Net .NET 9.0 installé sur Mac OS versions antérieures à 9.0.10
Microsoft .Net ASP.NET Core 2.3 versions antérieures à 2.3.6
Microsoft .Net ASP.NET Core 8.0 versions antérieures à 8.0.21
Microsoft .Net Microsoft .NET Framework 3.5 versions antérieures à 2.0.50727.8981
Microsoft .Net Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 versions antérieures à 4.7.04137.06
Microsoft .Net Microsoft .NET Framework 3.5 et 4.8.1 versions antérieures à 4.8.1.09321.01
Microsoft .Net .NET 8.0 installé sur Linux versions antérieures à 8.0.21
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": ".NET 8.0 install\u00e9 sur Mac OS versions ant\u00e9rieures \u00e0 8.0.21",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 4.8 versions ant\u00e9rieures \u00e0 4.8.04798.04",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 9.0 install\u00e9 sur Linux versions ant\u00e9rieures \u00e0 9.0.10",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "ASP.NET Core 9.0 versions ant\u00e9rieures \u00e0 9.0.10",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5 et 4.7.2 versions ant\u00e9rieures \u00e0 10.0.14393.8519",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5.1 versions ant\u00e9rieures \u00e0 2.0.50727.8981",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 2.0 Service Pack 2 versions ant\u00e9rieures \u00e0 2.0.50727.8981",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.0 Service Pack 2 versions ant\u00e9rieures \u00e0 2.0.50727.8981",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 9.0 install\u00e9 sur Mac OS versions ant\u00e9rieures \u00e0 9.0.10",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "ASP.NET Core 2.3 versions ant\u00e9rieures \u00e0 2.3.6",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "ASP.NET Core 8.0 versions ant\u00e9rieures \u00e0 8.0.21",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5 versions ant\u00e9rieures \u00e0 2.0.50727.8981",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 versions ant\u00e9rieures \u00e0 4.7.04137.06",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5 et 4.8.1 versions ant\u00e9rieures \u00e0 4.8.1.09321.01",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 8.0 install\u00e9 sur Linux versions ant\u00e9rieures \u00e0 8.0.21",
      "product": {
        "name": ".Net",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2025-55248",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-55248"
    },
    {
      "name": "CVE-2025-55247",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-55247"
    },
    {
      "name": "CVE-2025-55315",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-55315"
    }
  ],
  "initial_release_date": "2025-10-15T00:00:00",
  "last_revision_date": "2025-10-15T00:00:00",
  "links": [],
  "reference": "CERTFR-2025-AVI-0880",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2025-10-15T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Contournement de la politique 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 d\u00e9couvertes dans Microsoft .Net. Elles permettent \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Microsoft .Net",
  "vendor_advisories": [
    {
      "published_at": "2025-10-14",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft .Net CVE-2025-55315",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55315"
    },
    {
      "published_at": "2025-10-14",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft .Net CVE-2025-55247",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55247"
    },
    {
      "published_at": "2025-10-14",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft .Net CVE-2025-55248",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55248"
    }
  ]
}


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Sightings

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  • 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.



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