CERTA-2000-AVI-086

Vulnerability from certfr_avis - Published: - Updated:

None

Description

Un utilisateur mal intentionné, effectuant une série rapide de fausses authentifications telnet, peut provoquer un déni de service obligeant le redémarrage du commutateur.

Nota : Tous les types d'authentification telnet ( Kerberos ) sont concernés par cette vulnérabilité.

Contournement provisoire

Installer une liste de contrôle d'accès sur le commutateur :

set ip permit enable telnet

set ip permit \<addr> [mask]

Désactiver la gestion de commande à distance.

Solution

Appliquer le correctif fourni par CISCO :

http://www.cisco.com
None
Impacted products
Vendor Product Description
Cisco N/A Catalyst 6000 - version logicielle 5.3(1)CSX à 5.5(4) et 5.5(4.a).
Cisco N/A Catalyst 4000 et 5000 - version logicielle 4.5(2) à 5.5(4) et 5.5(4.a) ;
References
Avis CISCO None vendor-advisory
Avis de sécurité CISCO : - other

Show details on source website

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Catalyst 6000 - version logicielle 5.3(1)CSX \u00e0 5.5(4) et 5.5(4.a).",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Catalyst 4000 et 5000 - version logicielle 4.5(2) \u00e0 5.5(4) et 5.5(4.a) ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Description\n\nUn utilisateur mal intentionn\u00e9, effectuant une s\u00e9rie rapide de fausses\nauthentifications telnet, peut provoquer un d\u00e9ni de service obligeant le\nred\u00e9marrage du commutateur.\n\nNota : Tous les types d\u0027authentification telnet ( Kerberos ) sont\nconcern\u00e9s par cette vuln\u00e9rabilit\u00e9.\n\n## Contournement provisoire\n\nInstaller une liste de contr\u00f4le d\u0027acc\u00e8s sur le commutateur :\n\nset ip permit enable telnet\n\nset ip permit \\\u003caddr\\\u003e \\[mask\\]  \n  \n\nD\u00e9sactiver la gestion de commande \u00e0 distance.\n\n## Solution\n\nAppliquer le correctif fourni par CISCO :\n\n    http://www.cisco.com\n",
  "cves": [],
  "links": [
    {
      "title": "Avis de s\u00e9curit\u00e9 CISCO :",
      "url": "http://www.cisco.com/warp/public/707/catalyst-memleak-pub.shtml"
    }
  ],
  "reference": "CERTA-2000-AVI-086",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2000-12-08T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service"
    }
  ],
  "summary": null,
  "title": "Vuln\u00e9rabilit\u00e9 dans les commutateurs CISCO Catalyst 4000, 5000 et 6000",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Avis CISCO",
      "url": null
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…