certfr_alerte - certfr-2022-ale-003

CERTFR-2022-ALE-003

Vulnerability from certfr_alerte

[mise à jour du 15 avril 2022]

Une vulnérabilité a été découverte dans l'implémentation Microsoft du protocole RPC - Remote Procedure Call - protocole permettant d'effectuer des appels de procédures sur des machines distantes. Elle permet à un attaquant de provoquer une exécution de code arbitraire à distance. En particulier, cette vulnérabilité affecte le protocole SMB - Server Message Block - qui permet notamment le partage de ressources comme les fichiers ou les imprimantes.

Le CERT-FR recommande d'appliquer la mise à jour dans les plus brefs délais, en priorité sur les systèmes les plus critiques (notamment les contrôleurs de domaine Active Directory). Au vu de la criticité de cette vulnérabilité, l'éditeur a publié des correctifs de sécurité pour des systèmes qui ne sont plus supportés (en particulier, Windows 7 et Windows Server 2008 R2).

Il est également requis de procéder à une revue des règles de filtrage afin de s'assurer du respect des bonnes pratiques de sécurisation des environnements Microsoft (notamment [1], [2], [3]).

Solution

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

[mise à jour du 15 avril 2022]

Lorsque les correctifs ne peuvent pas être appliqués, il est préférable de procéder, par ordre de préférence :

à la déconnexion des systèmes affectés du réseau ;
au filtrage, sur les systèmes affectés, des ports réseaux suivants en entrée :
- les ports TCP/139 et TCP/445 dans la mesure où SMB est un vecteur de transport de nombreuses interfaces RPC ;
- les ports UDP/135, TCP/135 ainsi que la plage de ports dynamique utilisés par l'écosystème RPC.

None

Impacted products

Vendor	Product	Description
Microsoft	Windows	Windows 11 for x64-based Systems
Microsoft	Windows	Windows Server 2008 R2 for x64-based Systems Service Pack 1
Microsoft	Windows	Windows 11 for ARM64-based Systems
Microsoft	Windows	Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft	Windows	Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Microsoft	Windows	Windows Server, version 20H2 (Server Core Installation)
Microsoft	Windows	Windows 7 for 32-bit Systems Service Pack 1
Microsoft	Windows	Windows 10 Version 1607 for x64-based Systems
Microsoft	Windows	Windows 10 Version 21H2 for x64-based Systems
Microsoft	Windows	Windows 8.1 for 32-bit systems
Microsoft	Windows	Windows 10 Version 1909 for x64-based Systems
Microsoft	Windows	Windows 10 for x64-based Systems
Microsoft	Windows	Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Microsoft	Windows	Windows 10 Version 1909 for ARM64-based Systems
Microsoft	Windows	Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Microsoft	Windows	Windows 10 Version 20H2 for ARM64-based Systems
Microsoft	Windows	Windows 10 Version 1607 for 32-bit Systems
Microsoft	Windows	Windows 10 Version 1809 for 32-bit Systems
Microsoft	Windows	Windows 10 Version 1909 for 32-bit Systems
Microsoft	Windows	Windows 8.1 for x64-based systems
Microsoft	Windows	Windows Server 2012
Microsoft	Windows	Windows Server 2012 R2
Microsoft	Windows	Windows Server 2012 (Server Core installation)
Microsoft	Windows	Windows Server 2022 (Server Core installation)
Microsoft	Windows	Windows Server 2016 (Server Core installation)
Microsoft	Windows	Windows RT 8.1
Microsoft	Windows	Windows Server 2019 (Server Core installation)
Microsoft	Windows	Windows Server 2012 R2 (Server Core installation)
Microsoft	Windows	Windows Server 2016
Microsoft	Windows	Windows 10 Version 21H2 for ARM64-based Systems
Microsoft	Windows	Windows 10 Version 21H1 for 32-bit Systems
Microsoft	Windows	Windows 10 Version 21H2 for 32-bit Systems
Microsoft	Windows	Windows Server 2019
Microsoft	Windows	Windows 10 Version 1809 for ARM64-based Systems
Microsoft	Windows	Windows 10 Version 20H2 for x64-based Systems
Microsoft	Windows	Windows 7 for x64-based Systems Service Pack 1
Microsoft	Windows	Windows 10 Version 20H2 for 32-bit Systems
Microsoft	Windows	Windows Server 2008 for 32-bit Systems Service Pack 2
Microsoft	Windows	Windows 10 for 32-bit Systems
Microsoft	Windows	Windows 10 Version 1809 for x64-based Systems
Microsoft	Windows	Windows 10 Version 21H1 for ARM64-based Systems
Microsoft	Windows	Windows Server 2022
Microsoft	Windows	Windows 10 Version 21H1 for x64-based Systems

References

Title

Publication Time

Tags

Bulletin de sécurité Microsoft du 12 avril 2022	None	vendor-advisory
[1] Guide Microsoft sur la sécurisation du flux SMB	-	other
[3] Recommandations sur le nomadisme numérique	-	other
[2] Bulletin d'actualité CERT-FR	-	other

Show details on source website

JSON

To clipboard

{
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  "affected_systems": [
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        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
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    },
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      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
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      }
    },
    {
      "description": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "product": {
        "name": "Windows",
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          "name": "Microsoft",
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      "description": "Windows 8.1 for x64-based systems",
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          "name": "Microsoft",
          "scada": false
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    {
      "description": "Windows Server 2012",
      "product": {
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        "vendor": {
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          "scada": false
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      "description": "Windows Server 2012 R2",
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        "name": "Windows",
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          "name": "Microsoft",
          "scada": false
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          "name": "Microsoft",
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          "scada": false
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        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
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    },
    {
      "description": "Windows Server 2016",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H2 for ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H1 for 32-bit Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H2 for 32-bit Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
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      "description": "Windows Server 2019",
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          "name": "Microsoft",
          "scada": false
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    {
      "description": "Windows 10 Version 1809 for ARM64-based Systems",
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        "vendor": {
          "name": "Microsoft",
          "scada": false
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      "description": "Windows 10 Version 20H2 for x64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 7 for x64-based Systems Service Pack 1",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 20H2 for 32-bit Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 for 32-bit Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1809 for x64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H1 for ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2022",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H1 for x64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "closed_at": "2022-05-04",
  "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\n\u003cspan style=\"color: #ff0000;\"\u003e**\\[mise \u00e0 jour du 15 avril\n2022\\]**\u003c/span\u003e\n\nLorsque les correctifs ne peuvent pas \u00eatre appliqu\u00e9s, il est pr\u00e9f\u00e9rable\nde proc\u00e9der, par ordre de pr\u00e9f\u00e9rence :\n\n-   \u00e0 la d\u00e9connexion des syst\u00e8mes affect\u00e9s du r\u00e9seau ;\n-   au filtrage, sur les syst\u00e8mes affect\u00e9s, des ports r\u00e9seaux suivants\n    en entr\u00e9e :\n    -   les ports TCP/139 et TCP/445 dans la mesure o\u00f9 *SMB* est un\n        vecteur de transport de nombreuses interfaces *RPC* ;\n    -   les ports UDP/135, TCP/135 ainsi que la plage de ports dynamique\n        utilis\u00e9s par l\u0027\u00e9cosyst\u00e8me *RPC.*\n",
  "cves": [
    {
      "name": "CVE-2022-26809",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-26809"
    }
  ],
  "initial_release_date": "2022-04-13T00:00:00",
  "last_revision_date": "2022-05-04T00:00:00",
  "links": [
    {
      "title": "[1] Guide Microsoft sur la s\u00e9curisation du flux SMB",
      "url": "https://docs.microsoft.com/fr-fr/windows-server/storage/file-server/smb-secure-traffic"
    },
    {
      "title": "[3] Recommandations sur le nomadisme num\u00e9rique",
      "url": "https://www.ssi.gouv.fr/guide/recommandations-sur-le-nomadisme-numerique/"
    },
    {
      "title": "[2] Bulletin d\u0027actualit\u00e9 CERT-FR",
      "url": "https://www.cert.ssi.gouv.fr/actualite/CERTFR-2020-ACT-001/"
    }
  ],
  "reference": "CERTFR-2022-ALE-003",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2022-04-13T00:00:00.000000"
    },
    {
      "description": "mise \u00e0 jour des recommandations",
      "revision_date": "2022-04-15T00:00:00.000000"
    },
    {
      "description": "Cl\u00f4ture de l\u0027alerte. Cela ne signifie pas la fin d\u0027une menace. Seule l\u0027application de la mise \u00e0 jour permet de vous pr\u00e9munir contre l\u0027exploitation de la vuln\u00e9rabilit\u00e9 correspondante.",
      "revision_date": "2022-05-04T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    }
  ],
  "summary": "\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e\\[mise \u00e0 jour du 15 avril\n2022\\]\u003c/span\u003e\u003c/strong\u003e\n\nUne vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans l\u0027impl\u00e9mentation Microsoft du\nprotocole *RPC* - *Remote Procedure Call* -\u00a0 protocole permettant\nd\u0027effectuer des appels de proc\u00e9dures sur des machines distantes. Elle\npermet \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0\ndistance. En particulier, cette vuln\u00e9rabilit\u00e9 affecte le protocole\n*SMB* - *Server Message Block* - qui permet notamment le partage de\nressources comme les fichiers ou les imprimantes.\n\n\u003cstrong\u003eLe CERT-FR recommande d\u0027appliquer la mise \u00e0 jour dans les plus brefs\nd\u00e9lais,\u003c/strong\u003e en priorit\u00e9 sur les syst\u00e8mes les plus critiques (notamment les\ncontr\u00f4leurs de domaine *Active Directory*). Au vu de la criticit\u00e9 de\ncette vuln\u00e9rabilit\u00e9, l\u0027\u00e9diteur a publi\u00e9 des correctifs de s\u00e9curit\u00e9 pour\ndes syst\u00e8mes qui ne sont plus support\u00e9s (en particulier, Windows 7 et\nWindows Server 2008 R2).\n\n\u003cstrong\u003eIl est \u00e9galement requis de proc\u00e9der \u00e0 une revue des r\u00e8gles de filtrage\nafin de s\u0027assurer du respect des bonnes pratiques de s\u00e9curisation des\nenvironnements Microsoft (notamment \\[1\\], \\[2\\], \\[3\\]).\u003c/strong\u003e\n",
  "title": "[M\u00e0J] Vuln\u00e9rabilit\u00e9 dans l\u0027impl\u00e9mentation du protocole RPC par Microsoft",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft du 12 avril 2022",
      "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-26809"
    }
  ]
}

CVE-2022-26809 (GCVE-0-2022-26809)

Vulnerability from cvelistv5

Published

2022-04-15 19:04

Modified

2025-01-02 18:51

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CWE

Remote Code Execution

Summary

Remote Procedure Call Runtime Remote Code Execution Vulnerability

References

URL

Tags

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26809

vendor-advisory

Impacted products

Vendor

Product

Version

Microsoft

Windows 10 Version 1809

Version: 10.0.17763.0 < 10.0.17763.2803

Microsoft	Windows 10 Version 1809	Version: 10.0.0 < 10.0.17763.2803
Microsoft	Windows Server 2019	Version: 10.0.17763.0 < 10.0.17763.2803
Microsoft	Windows Server 2019 (Server Core installation)	Version: 10.0.17763.0 < 10.0.17763.2803
Microsoft	Windows 10 Version 1909	Version: 10.0.0 < 10.0.18363.2212
Microsoft	Windows 10 Version 21H1	Version: 10.0.0 < 10.0.19043.1645
Microsoft	Windows Server 2022	Version: 10.0.20348.0 < 10.0.20348.643
Microsoft	Windows 10 Version 20H2	Version: 10.0.0 < 10.0.19042.1645
Microsoft	Windows Server version 20H2	Version: 10.0.0 < 10.0.19042.1645
Microsoft	Windows 11 version 21H2	Version: 10.0.0 < 10.0.22000.613
Microsoft	Windows 10 Version 21H2	Version: 10.0.19043.0 < 10.0.19044.1645
Microsoft	Windows 10 Version 1507	Version: 10.0.10240.0 < 10.0.10240.19265
Microsoft	Windows 10 Version 1607	Version: 10.0.14393.0 < 10.0.14393.5066
Microsoft	Windows Server 2016	Version: 10.0.14393.0 < 10.0.14393.5066
Microsoft	Windows Server 2016 (Server Core installation)	Version: 10.0.14393.0 < 10.0.14393.5066
Microsoft	Windows 7	Version: 6.1.0 < 6.1.7601.25924
Microsoft	Windows 7 Service Pack 1	Version: 6.1.0 < 6.1.7601.25924
Microsoft	Windows 8.1	Version: 6.3.0 < 6.3.9600.20337
Microsoft	Windows Server 2008 Service Pack 2	Version: 6.0.6003.0 < 6.0.6003.21446
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	Version: 6.0.6003.0 < 6.0.6003.21446
Microsoft	Windows Server 2008 Service Pack 2	Version: 6.0.6003.0 < 6.0.6003.21446
Microsoft	Windows Server 2008 R2 Service Pack 1	Version: 6.1.7601.0 < 6.1.7601.25924
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	Version: 6.1.7601.0 < 6.1.7601.25924
Microsoft	Windows Server 2012	Version: 6.2.9200.0 < 6.2.9200.23679
Microsoft	Windows Server 2012 (Server Core installation)	Version: 6.2.9200.0 < 6.2.9200.23679
Microsoft	Windows Server 2012 R2	Version: 6.3.9600.0 < 6.3.9600.20337
Microsoft	Windows Server 2012 R2 (Server Core installation)	Version: 6.3.9600.0 < 6.3.9600.20337

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-03T05:11:44.525Z",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CERTFR-2022-ALE-003

Vulnerability from certfr_alerte

Solution

CVE-2022-26809 (GCVE-0-2022-26809)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature