CERTA-2005-AVI-132

Vulnerability from certfr_avis - Published: 2005-04-12 - Updated: 2005-04-12

None

Description

portupgrade est un logiciel destiné à mettre à jour les logiciels installés sur un système d'exploitation FreeBSD.

Une vulnérabilité liée à la gestion des fichiers temporaires permet à un utilisateur local malicieux de :

  • écraser n'importe quel fichier ;
  • d'exécuter n'importe quelle commande avec les droits du superutilisateur ;

Contournement provisoire

Placer la variable d'environnement PKG_TMPDIR avec le nom d'un réperrtoire dans lequel seul l'utilisateur qui exécute portupgrade peut écrire.

Solution

Mettre à jour portupgrade.

Les versions du logiciel portupgrade strictement inférieures à 20041226_2.

Impacted products
Vendor Product Description
References

Show details on source website

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [],
  "affected_systems_content": "\u003cP\u003eLes versions du logiciel \u003cTT\u003eportupgrade\u003c/TT\u003e strictement  inf\u00e9rieures \u00e0 20041226_2.\u003c/P\u003e",
  "content": "## Description\n\nportupgrade est un logiciel destin\u00e9 \u00e0 mettre \u00e0 jour les logiciels\ninstall\u00e9s sur un syst\u00e8me d\u0027exploitation FreeBSD.\n\nUne vuln\u00e9rabilit\u00e9 li\u00e9e \u00e0 la gestion des fichiers temporaires permet \u00e0 un\nutilisateur local malicieux de :\n\n-   \u00e9craser n\u0027importe quel fichier ;\n-   d\u0027ex\u00e9cuter n\u0027importe quelle commande avec les droits du\n    superutilisateur ;\n\n## Contournement provisoire\n\nPlacer la variable d\u0027environnement PKG_TMPDIR avec le nom d\u0027un\nr\u00e9perrtoire dans lequel seul l\u0027utilisateur qui ex\u00e9cute portupgrade peut\n\u00e9crire.\n\n## Solution\n\nMettre \u00e0 jour portupgrade.\n",
  "cves": [],
  "initial_release_date": "2005-04-12T00:00:00",
  "last_revision_date": "2005-04-12T00:00:00",
  "links": [
    {
      "title": "FreeBSD, bulletin de s\u00e9curit\u00e9 du 2005-04-12 :",
      "url": "http://www.vuxml.org/freebsd/pkg-portupgrade.html"
    }
  ],
  "reference": "CERTA-2005-AVI-132",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2005-04-12T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "D\u0027un utilisateur local"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": null,
  "title": "Vuln\u00e9rabilit\u00e9 de portupgrade",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "CVE : CAN-2005-0610",
      "url": "https://www.cve.org/CVERecord?id=CAN-2005-0610"
    },
    {
      "published_at": null,
      "title": "Avis FreeBSD : VuXML",
      "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.
  • 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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