CERTFR-2021-AVI-152

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans Citrix Hypervisor. Elles permettent à un attaquant de provoquer un déni de service.

Précision : la vulnérabilité est exploitable depuis une machine virtuelle et permet de provoquer un déni de service sur le serveur hôte.

Solution

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

None
Impacted products
Vendor Product Description
Citrix Citrix Hypervisor Citrix Hypervisor 7.0 sans le correctif XS70E091
Citrix Citrix Hypervisor Citrix Hypervisor 7.1 LTSR sans le correctif XS71ECU2054
Citrix Citrix Hypervisor Citrix Hypervisor 8.2 LTSR sans le correctif XS82E014
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Citrix Hypervisor 7.0 sans le correctif XS70E091",
      "product": {
        "name": "Citrix Hypervisor",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "Citrix Hypervisor 7.1 LTSR sans le correctif XS71ECU2054",
      "product": {
        "name": "Citrix Hypervisor",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "Citrix Hypervisor 8.2 LTSR sans le correctif XS82E014",
      "product": {
        "name": "Citrix Hypervisor",
        "vendor": {
          "name": "Citrix",
          "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-2021-26931",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26931"
    },
    {
      "name": "CVE-2021-26932",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26932"
    },
    {
      "name": "CVE-2021-26930",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26930"
    }
  ],
  "links": [],
  "reference": "CERTFR-2021-AVI-152",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-03-01T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Citrix Hypervisor.\nElles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service.\n\nPr\u00e9cision : la vuln\u00e9rabilit\u00e9 est exploitable depuis une machine\nvirtuelle et permet de provoquer un d\u00e9ni de service sur le serveur h\u00f4te.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Citrix Hypervisor",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Citrix CTX296603 du 24 f\u00e9vrier 2021",
      "url": "https://support.citrix.com/article/CTX296603"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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