CERTA-2001-AVI-035

Vulnerability from certfr_avis - Published: - Updated:

Il est possible de bloquer la communication entre un serveur d'administration à distance pcAnywhere et ses clients.

Il s'agit d'un débordement de mémoire. Comme pour tout débordement de mémoire, il y a un risque d'exécution de code arbitraire sur la machine cible.

Description

Un utilisateur mal intentionné peut, en générant un traffic aléatoire anormalement élevé vers le serveur, bloquer la communication entre le serveur et ses clients. Le port de pcAnywhere serveur sera toujours ouvert, mais le serveur ne répondra plus aux clients.

Solution

Appliquer les correctifs de Symantec :

  • pour les versions 9.x :

    http://www.symantec.com/techsupp/files/pca/pca9-9598nt.html
    
  • Pour les versions 10.x :

    http://www.symantec.com/techsupp/files/pca/pca_10.html
    

Systèmes Windows équipés de pcAnywhere serveur version 9.2x ou 10.0.

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\u003eSyst\u00e8mes Windows \u00e9quip\u00e9s de pcAnywhere serveur version 9.2x ou  10.0.\u003c/P\u003e",
  "content": "## Description\n\nUn utilisateur mal intentionn\u00e9 peut, en g\u00e9n\u00e9rant un traffic al\u00e9atoire\nanormalement \u00e9lev\u00e9 vers le serveur, bloquer la communication entre le\nserveur et ses clients. Le port de pcAnywhere serveur sera toujours\nouvert, mais le serveur ne r\u00e9pondra plus aux clients.\n\n## Solution\n\nAppliquer les correctifs de Symantec :\n\n-   pour les versions 9.x :\n\n        http://www.symantec.com/techsupp/files/pca/pca9-9598nt.html\n\n-   Pour les versions 10.x :\n\n        http://www.symantec.com/techsupp/files/pca/pca_10.html\n",
  "cves": [],
  "links": [
    {
      "title": "L\u0027avis du CIAC :",
      "url": "http://www.ciac.org/ciac/bulletins/l-055.shtml"
    },
    {
      "title": "Le bulletin de s\u00e9curit\u00e9 de Symantec :",
      "url": "http://service1.symantec.com/sarc/sarc.nsf/info/html/pcAnywhere.Denial.of.service.html"
    }
  ],
  "reference": "CERTA-2001-AVI-035",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2001-03-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service"
    }
  ],
  "summary": "Il est possible de bloquer la communication entre un serveur\nd\u0027administration \u00e0 distance pcAnywhere et ses clients.\n\nIl s\u0027agit d\u0027un d\u00e9bordement de m\u00e9moire. Comme pour tout d\u00e9bordement de\nm\u00e9moire, il y a un risque d\u0027ex\u00e9cution de code arbitraire sur la machine\ncible.\n",
  "title": "Vuln\u00e9rabilit\u00e9 de pcAnywhere.",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Avis du CIAC et de Symantec",
      "url": null
    }
  ]
}


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Sightings

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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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