CERTFR-2021-AVI-901

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans Xen. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service, une atteinte à l'intégrité des données et une atteinte à la confidentialité des données.

Solution

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

None
Impacted products
Vendor Product Description
XEN Xen Xen versions 3.2 et ultérieures sans le dernier correctif de sécurité XSA-385
XEN Xen Xen versions 4.13 et antérieures sans le dernier correctif de sécurité XSA-387
XEN Xen Xen versions 4.7 et ultérieures sans le dernier correctif de sécurité XSA-388
XEN Xen Xen versions 3.4 et ultérieures sans le dernier correctif de sécurité XSA-389
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Xen versions 3.2 et ult\u00e9rieures sans le dernier correctif de s\u00e9curit\u00e9 XSA-385",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen versions 4.13 et ant\u00e9rieures sans le dernier correctif de s\u00e9curit\u00e9 XSA-387",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen versions 4.7 et ult\u00e9rieures sans le dernier correctif de s\u00e9curit\u00e9 XSA-388",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen versions 3.4 et ult\u00e9rieures sans le dernier correctif de s\u00e9curit\u00e9 XSA-389",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## 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": [
    {
      "name": "CVE-2021-28706",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-28706"
    },
    {
      "name": "CVE-2021-28704",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-28704"
    },
    {
      "name": "CVE-2021-28705",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-28705"
    },
    {
      "name": "CVE-2021-28709",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-28709"
    },
    {
      "name": "CVE-2021-28708",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-28708"
    },
    {
      "name": "CVE-2021-28703",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-28703"
    },
    {
      "name": "CVE-2021-28707",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-28707"
    }
  ],
  "links": [],
  "reference": "CERTFR-2021-AVI-901",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-11-24T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "description": "D\u00e9ni de service"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Xen. Certaines\nd\u0027entre elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service,\nune atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et une atteinte \u00e0 la\nconfidentialit\u00e9 des donn\u00e9es.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Xen",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-389 du 23 novembre 2021",
      "url": "https://xenbits.xen.org/xsa/advisory-389.html"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-387 du 23 novembre 2021",
      "url": "https://xenbits.xen.org/xsa/advisory-387.html"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-388 du 23 novembre 2021",
      "url": "https://xenbits.xen.org/xsa/advisory-388.html"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-385 du 23 novembre 2021",
      "url": "https://xenbits.xen.org/xsa/advisory-385.html"
    }
  ]
}


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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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