CERTA-2009-AVI-115

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité présente dans le noyau de FreeBSD permet à un utilisateur local de contourner la politique de sécurité du système ou d'élever ses privilèges.

Description

Un manque de contrôle dans la mise en œuvre de timers présents dans le noyau du système d'exploitation FreeBSD permet à un utilisateur local de modifier des zones mémoire arbitraires du noyau. Il lui est ainsi possible de contourner la politique de sécurité du système ou de modifier les privilèges de certains processus.

Solution

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

None
Impacted products
Vendor Product Description
FreeBSD N/A FreeBSD 7.1.
FreeBSD N/A FreeBSD 7.0 ;

Show details on source website

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "FreeBSD 7.1.",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "FreeBSD",
          "scada": false
        }
      }
    },
    {
      "description": "FreeBSD 7.0 ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "FreeBSD",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Description\n\nUn manque de contr\u00f4le dans la mise en \u0153uvre de timers pr\u00e9sents dans le\nnoyau du syst\u00e8me d\u0027exploitation FreeBSD permet \u00e0 un utilisateur local de\nmodifier des zones m\u00e9moire arbitraires du noyau. Il lui est ainsi\npossible de contourner la politique de s\u00e9curit\u00e9 du syst\u00e8me ou de\nmodifier les privil\u00e8ges de certains processus.\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": [
    {
      "title": "Bulletin de s\u00e9curit\u00e9 FreeBSD SA-09:06.ktimer du 23 mars    2009 :",
      "url": "ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-09:06.ktimer.asc"
    }
  ],
  "reference": "CERTA-2009-AVI-115",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2009-03-25T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 pr\u00e9sente dans le noyau de FreeBSD permet \u00e0 un\nutilisateur local de contourner la politique de s\u00e9curit\u00e9 du syst\u00e8me ou\nd\u0027\u00e9lever ses privil\u00e8ges.\n",
  "title": "Vuln\u00e9rabilit\u00e9 du noyau FreeBSD",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 FreeBSD-SA-09:06.ktimer du 23 mars 2009",
      "url": null
    }
  ]
}


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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.
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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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