CERTA-2011-AVI-085

Vulnerability from certfr_avis - Published: 2011-02-14 - Updated: 2011-02-14

Une vulnérabilité dans OpenSSH peut porter atteinte à la confidentialité des données.

Description

La version 5.8 de OpenSSH corrige une vulnérabilité pouvant porter atteinte à la confidentialité des données. Lors de la génération de certificats legacy, le champ nonce n'est pas correctement initialisé à l'aide de données aléatoires, mais contient des données issues de la pile. Ces données peuvent potentiellement contenir des informations sensibles.

Solution

La version 5.8 de OpenSSH corrige cette vulnérabilité. Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

OpenSSH 5.7 et versions antérieures.

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\u003eOpenSSH 5.7 et versions ant\u00e9rieures.\u003c/p\u003e",
  "content": "## Description\n\nLa version 5.8 de OpenSSH corrige une vuln\u00e9rabilit\u00e9 pouvant porter\natteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es. Lors de la g\u00e9n\u00e9ration de\ncertificats legacy, le champ nonce n\u0027est pas correctement initialis\u00e9 \u00e0\nl\u0027aide de donn\u00e9es al\u00e9atoires, mais contient des donn\u00e9es issues de la\npile. Ces donn\u00e9es peuvent potentiellement contenir des informations\nsensibles.\n\n## Solution\n\nLa version 5.8 de OpenSSH corrige cette vuln\u00e9rabilit\u00e9. Se r\u00e9f\u00e9rer au\nbulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf.\nsection Documentation).\n",
  "cves": [],
  "initial_release_date": "2011-02-14T00:00:00",
  "last_revision_date": "2011-02-14T00:00:00",
  "links": [
    {
      "title": "Sortie de la version 5.8 de OpenSSH :",
      "url": "http://www.openssh.com/txt/release-5.8"
    }
  ],
  "reference": "CERTA-2011-AVI-085",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2011-02-14T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 dans OpenSSH peut porter atteinte \u00e0 la confidentialit\u00e9\ndes donn\u00e9es.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans OpenSSH",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Avis de s\u00e9curit\u00e9 OpenSSH",
      "url": "http://www.openssh.com/txt/legacy-cert.adv"
    }
  ]
}


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Sightings

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  • 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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