CERTA-2004-AVI-059

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité présente dans la gestion des tampons mémoire (mbuf) de la pile IP peut être exploitée par un utilisateur mal intentionné pour réaliser un déni de service sur un système vulnérable.

Description

Par l'envoi de segments ne respectant pas l'ordre des séquences TCP sur une connexion légitime, un utilisateur mal intentionné peut réaliser un déni de service sur un système vulnérable.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs :
Bulletin de sécurité FreeBSD-SA-04:04.tcp de FreeBSD :

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:04.tcp.asc
None
Impacted products
Vendor Product Description
FreeBSD N/A FreeBSD 5.2.1 et versions antérieures ;
FreeBSD N/A FreeBSD 4.9 et versions antérieures.
References

Show details on source website

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "FreeBSD 5.2.1 et versions ant\u00e9rieures ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "FreeBSD",
          "scada": false
        }
      }
    },
    {
      "description": "FreeBSD 4.9 et versions ant\u00e9rieures.",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "FreeBSD",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Description\n\nPar l\u0027envoi de segments ne respectant pas l\u0027ordre des s\u00e9quences TCP sur\nune connexion l\u00e9gitime, un utilisateur mal intentionn\u00e9 peut r\u00e9aliser un\nd\u00e9ni de service sur un syst\u00e8me vuln\u00e9rable.\n\n## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs :  \nBulletin de s\u00e9curit\u00e9 FreeBSD-SA-04:04.tcp de FreeBSD :\n\n    ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:04.tcp.asc\n",
  "cves": [],
  "links": [],
  "reference": "CERTA-2004-AVI-059",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2004-03-03T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 pr\u00e9sente dans la gestion des tampons m\u00e9moire (mbuf) de\nla pile IP peut \u00eatre exploit\u00e9e par un utilisateur mal intentionn\u00e9 pour\nr\u00e9aliser un d\u00e9ni de service sur un syst\u00e8me vuln\u00e9rable.\n",
  "title": "D\u00e9ni de service sous FreeBSD",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 FreeBSD-SA-04:04.tcp de FreeBSD",
      "url": null
    },
    {
      "published_at": null,
      "title": "Avis de s\u00e9curit\u00e9 03.02.04 d\u0027iDEFENSE",
      "url": "http://www.idefense.com/application/poi/display?id=78\u0026type=vulnerabilities"
    }
  ]
}


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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.
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  • 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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