CERTFR-2024-AVI-0220
Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans Cisco IOS XR. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges et un déni de service à distance.

Solution

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

Contournement provisoire

S’il n’est pas possible de procéder à l’installation d’une version corrigeant la vulnérabilité, se référer aux mesures de contournement proposées par l’éditeur à la section Workaround.

None
Impacted products
Vendor Product Description
Cisco IOS XR IOS XR sur ASR9K-X64 versions 7.3.2 sans le SMU asr9k-x64-7.3.2.CSCwe29150
Cisco IOS XR IOS XR sur ASR9K-X64 versions 7.8.2 sans le SMU asr9k-x64-7.8.2.CSCwe29150
Cisco IOS XR IOS XR sur XRD-VROUTER versions 7.8.2 sans le SMU xrd-vrouter-7.8.2.CSCwe29150
Cisco IOS XR IOS XR sur ASR9K-X64 versions 7.7.2 sans le SMU asr9k-x64-7.7.2.CSCwe29150
Cisco IOS XR IOS XR sur ASR9K-X64 versions 7.4.2 sans le SMU asr9k-x64-7.4.2.CSCwe29150
Cisco IOS XR IOS XR versions 7.11.x antérieures à 7.11.1
Cisco IOS XR IOS XR versions 7.x.x antérieures à 7.10.2
Cisco IOS XR IOS XR sur ASR9K-X64 versions 7.5.2 sans les SMU asr9k-x64-7.5.2.CSCwe29150 et asr9k-x64-7.5.2.CSCwf75789
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "IOS XR sur ASR9K-X64 versions 7.3.2 sans le SMU asr9k-x64-7.3.2.CSCwe29150",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR sur ASR9K-X64 versions 7.8.2 sans le SMU asr9k-x64-7.8.2.CSCwe29150",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR sur XRD-VROUTER versions 7.8.2 sans le SMU xrd-vrouter-7.8.2.CSCwe29150",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR sur ASR9K-X64 versions 7.7.2 sans le SMU asr9k-x64-7.7.2.CSCwe29150",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR sur ASR9K-X64 versions 7.4.2 sans le SMU asr9k-x64-7.4.2.CSCwe29150",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR versions 7.11.x ant\u00e9rieures \u00e0 7.11.1",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR versions 7.x.x ant\u00e9rieures \u00e0 7.10.2",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "IOS XR sur ASR9K-X64 versions 7.5.2 sans les SMU asr9k-x64-7.5.2.CSCwe29150 et asr9k-x64-7.5.2.CSCwf75789",
      "product": {
        "name": "IOS XR",
        "vendor": {
          "name": "Cisco",
          "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\n## Contournement provisoire\n\nS\u2019il n\u2019est pas possible de proc\u00e9der \u00e0 l\u2019installation d\u2019une version\ncorrigeant la vuln\u00e9rabilit\u00e9, se r\u00e9f\u00e9rer aux mesures de contournement\npropos\u00e9es par l\u2019\u00e9diteur \u00e0 la section *Workaround*.\n",
  "cves": [
    {
      "name": "CVE-2024-20320",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-20320"
    },
    {
      "name": "CVE-2024-20318",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-20318"
    },
    {
      "name": "CVE-2024-20327",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-20327"
    }
  ],
  "initial_release_date": "2024-03-14T00:00:00",
  "last_revision_date": "2024-03-14T00:00:00",
  "links": [
    {
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco\u00a0cisco-sa-xrl2vpn-jesrU3fc du 13 mars 2024",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrl2vpn-jesrU3fc"
    },
    {
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco\u00a0cisco-sa-iosxr-ssh-privesc-eWDMKew3 du 13 mars 2024",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ssh-privesc-eWDMKew3"
    }
  ],
  "reference": "CERTFR-2024-AVI-0220",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2024-03-14T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans \u003cspan\nclass=\"textit\"\u003eCisco IOS XR\u003c/span\u003e. Certaines d\u0027entre elles permettent \u00e0\nun attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges et un d\u00e9ni de\nservice \u00e0 distance.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Cisco IOS XR",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-iosxr-pppma-JKWFgneW du 13 mars 2024",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-pppma-JKWFgneW"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-xrl2vpn-jesrU3fc du 13 mars 2024",
      "url": null
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-iosxr-ssh-privesc-eWDMKew3 du 13 mars 2024",
      "url": null
    }
  ]
}


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