CERTA-2010-AVI-166

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité dans la gestion des archives 7Z, GZIP, CAB ou RAR permet de contourner le moteur de détection de l'Anti-Virus.

Description

Une vulnérabilité dans les produits F-Secure permet, à une personne malveillante, de construire des archives (7Z, GZIP, CAB ou RAR) spécialement formées contournant le moteur de détection de l'Anti-Virus. Les fichiers malveillants contenus dans ces archives ne seront donc pas détectés.

Cependant cela n'affecte pas le mécanisme de détection lorsque ces fichiers sont extraits des archives.

Solution

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

None
Impacted products
Vendor Product Description
ESET Security Solutions basées sur F-Secure Protection Service pour Business - Workstation security version 9 et antérieures ;
Microsoft Windows F-Secure Internet Gatekeeper pour Windows 6.61 et antérieures ;
N/A N/A F-Secure Anti-Virus pour Linux Servers 4.65 ;
ESET N/A F-Secure Internet Gatekeeper pour Linux 4.02 et antérieures ;
N/A N/A Services basés sur F-Secure Mac Protection build 8060 et antérieures ;
ESET Security F-Secure Anti-Virus Linux Client Security 5.54 et antérieures ;
ESET Server Security F-Secure Anti-Virus Linux Server Security 5.54 et antérieures ;
ESET Security F-Secure Linux Security 7.03 et antérieures ;
ESET N/A F-Secure Anti-Virus pour Workstations 9 et antérieures ;
Microsoft N/A F-Secure Anti-Virus pour Microsoft Exchange 9 et antérieures ;
ESET Server Security Solutions basées sur F-Secure Protection Service pour Business - Server Security version 8 et antérieures ;
Citrix N/A F-Secure Anti-Virus pour Citrix Servers 9 et antérieures.
ESET N/A F-Secure Anti-Virus 2010 et antérieures ;
ESET N/A F-Secure Anti-Virus pour MIMEsweeper 5.61 et antérieures ;
Microsoft Windows F-Secure Anti-Virus pour Windows Servers 9 et antérieures ;
ESET Security F-Secure Client Security 9 et antérieures ;
ESET N/A Solutions basées sur F-Secure Protection Service pour Consumers version 9 et antérieures ;
ESET Server Security F-Secure Home Server Security 2009 ;
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Solutions bas\u00e9es sur F-Secure Protection Service pour Business - Workstation security version 9 et ant\u00e9rieures ;",
      "product": {
        "name": "Security",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Internet Gatekeeper pour Windows 6.61 et ant\u00e9rieures ;",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Anti-Virus pour Linux Servers 4.65 ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "N/A",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Internet Gatekeeper pour Linux 4.02 et ant\u00e9rieures ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "Services bas\u00e9s sur F-Secure Mac Protection build 8060 et ant\u00e9rieures ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "N/A",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Anti-Virus Linux Client Security 5.54 et ant\u00e9rieures ;",
      "product": {
        "name": "Security",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Anti-Virus Linux Server Security 5.54 et ant\u00e9rieures ;",
      "product": {
        "name": "Server Security",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Linux Security 7.03 et ant\u00e9rieures ;",
      "product": {
        "name": "Security",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Anti-Virus pour Workstations 9 et ant\u00e9rieures ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Anti-Virus pour Microsoft Exchange 9 et ant\u00e9rieures ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Solutions bas\u00e9es sur F-Secure Protection Service pour Business - Server Security version 8 et ant\u00e9rieures ;",
      "product": {
        "name": "Server Security",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Anti-Virus pour Citrix Servers 9 et ant\u00e9rieures.",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Anti-Virus 2010 et ant\u00e9rieures ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Anti-Virus pour MIMEsweeper 5.61 et ant\u00e9rieures ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Anti-Virus pour Windows Servers 9 et ant\u00e9rieures ;",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Client Security 9 et ant\u00e9rieures ;",
      "product": {
        "name": "Security",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "Solutions bas\u00e9es sur F-Secure Protection Service pour Consumers version 9 et ant\u00e9rieures ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    },
    {
      "description": "F-Secure Home Server Security 2009 ;",
      "product": {
        "name": "Server Security",
        "vendor": {
          "name": "ESET",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Description\n\nUne vuln\u00e9rabilit\u00e9 dans les produits F-Secure permet, \u00e0 une personne\nmalveillante, de construire des archives (7Z, GZIP, CAB ou RAR)\nsp\u00e9cialement form\u00e9es contournant le moteur de d\u00e9tection de l\u0027Anti-Virus.\nLes fichiers malveillants contenus dans ces archives ne seront donc pas\nd\u00e9tect\u00e9s.\n\nCependant cela n\u0027affecte pas le m\u00e9canisme de d\u00e9tection lorsque ces\nfichiers sont extraits des archives.\n\n## 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": [],
  "links": [],
  "reference": "CERTA-2010-AVI-166",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2010-04-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 dans la gestion des archives \u003cspan class=\"textit\"\u003e7Z,\nGZIP, CAB\u003c/span\u003e ou \u003cspan class=\"textit\"\u003eRAR\u003c/span\u003e permet de contourner\nle moteur de d\u00e9tection de l\u0027\u003cspan class=\"textit\"\u003eAnti-Virus\u003c/span\u003e.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans F-Secure",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 F-Secure FSC-2010-1 du 12 avril 2010",
      "url": "http://www.f-secure.com/en_EMEA/support/security-advisory/fsc-2010-1.html"
    }
  ]
}


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Sightings

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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.