CERTA-2005-AVI-408

Vulnerability from certfr_avis - Published: 2005-10-19 - Updated: 2005-10-19

None

Description

Snort est un logiciel libre de détection d'intrusion.
Une vulnérabilité dans le pré-processeur Back Orifice de Snort permet à un utilisateur mal intentionné, au moyen d'un paquet habilement construit, d'exécuter du code arbitraire à distance sur la machine vulnérable.

Contournement provisoire

Désactiver le pré-processeur Back Orifice. Pour cela, commenter la ligne preprocessor bo dans le fichier de configuration Snort snort.conf.
Redémarrer Snort afin de prendre en compte les modifications.

Solution

Mettre à jour Snort en version 2.4.3.
Snort est téléchargeable à l'adresse suivante :

http://www.snort.org/dl/

Versions de Snort antérieures à la version 2.4.3.

Impacted products
Vendor Product Description

Show details on source website

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [],
  "affected_systems_content": "\u003cp\u003eVersions de Snort ant\u00e9rieures \u00e0 la  version 2.4.3.\u003c/p\u003e",
  "content": "## Description\n\nSnort est un logiciel libre de d\u00e9tection d\u0027intrusion.  \nUne vuln\u00e9rabilit\u00e9 dans le pr\u00e9-processeur Back Orifice de Snort permet \u00e0\nun utilisateur mal intentionn\u00e9, au moyen d\u0027un paquet habilement\nconstruit, d\u0027ex\u00e9cuter du code arbitraire \u00e0 distance sur la machine\nvuln\u00e9rable.\n\n## Contournement provisoire\n\nD\u00e9sactiver le pr\u00e9-processeur Back Orifice. Pour cela, commenter la ligne\npreprocessor bo dans le fichier de configuration Snort snort.conf.  \nRed\u00e9marrer Snort afin de prendre en compte les modifications.\n\n## Solution\n\nMettre \u00e0 jour Snort en version 2.4.3.  \nSnort est t\u00e9l\u00e9chargeable \u00e0 l\u0027adresse suivante :\n\n    http://www.snort.org/dl/\n",
  "cves": [],
  "initial_release_date": "2005-10-19T00:00:00",
  "last_revision_date": "2005-10-19T00:00:00",
  "links": [
    {
      "title": "Bulletin de s\u00e9curit\u00e9 US-CERT VU#175500 du 18 octobre 2005 :",
      "url": "http://www.kb.cert.org/vuls/id/175500"
    },
    {
      "title": "Liste des changements dans Snort 2.4.3 :",
      "url": "http://www.snort.org/docs/change_logs/2.4.3/Changelog.txt"
    },
    {
      "title": "Site Internet de Snort :",
      "url": "http://www.snort.org"
    }
  ],
  "reference": "CERTA-2005-AVI-408",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2005-10-19T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    }
  ],
  "summary": null,
  "title": "Vuln\u00e9rabilit\u00e9 de Snort",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Snort du 18 octobre 2005",
      "url": "http://www.snort.org/pub-bin/snortnews.cgi#99"
    }
  ]
}


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Sightings

Author Source Type Date

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.


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