Vulnerability-Lookup

CERTFR-2022-AVI-165

Vulnerability from certfr_avis - Published: 2022-02-18 - Updated: 2022-02-18

Une vulnérabilité a été découverte dans Broadcom Brocade Fabric. Elle permet à un attaquant de provoquer 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).

Brocade Fabric OS versions antérieures à 8.0.1b
Brocade Fabric OS versions antérieures à 7.4.1d

Les produits Brocade Fabric OS versions 9.0.0 ne sont pas concernés par cette vulnérabilité.

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

Tags

Bulletin de sécurité Broadcom 2021-1721 du 16 février 2022	None	vendor-advisory
Bulletin de sécurité NetApp 20220217-0011 du 17 février 2022	-	other

Show details on source website

JSON

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [],
  "affected_systems_content": "\u003cul\u003e \u003cli\u003eBrocade Fabric OS versions ant\u00e9rieures \u00e0 8.0.1b\u003c/li\u003e \u003cli\u003eBrocade Fabric OS versions ant\u00e9rieures \u00e0 7.4.1d\u003c/li\u003e \u003c/ul\u003e \u003cp\u003eLes produits Brocade Fabric OS versions 9.0.0 ne sont pas concern\u00e9s par cette vuln\u00e9rabilit\u00e9.\u003c/p\u003e ",
  "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-2021-27796",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-27796"
    }
  ],
  "initial_release_date": "2022-02-18T00:00:00",
  "last_revision_date": "2022-02-18T00:00:00",
  "links": [
    {
      "title": "Bulletin de s\u00e9curit\u00e9 NetApp 20220217-0011 du 17 f\u00e9vrier 2022",
      "url": "https://security.netapp.com/advisory/ntap-20220217-0011/"
    }
  ],
  "reference": "CERTFR-2022-AVI-165",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2022-02-18T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Broadcom Brocade Fabric. Elle\npermet \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des\ndonn\u00e9es.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans Broadcom Brocade Fabric",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Broadcom 2021-1721 du 16 f\u00e9vrier 2022",
      "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721"
    }
  ]
}

CVE-2021-27796 (GCVE-0-2021-27796)

Vulnerability from cvelistv5 – Published: 2022-02-21 17:49 – Updated: 2024-08-03 21:33

Summary

A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the restricted shell environment (rbash) as either the “user” or “factory” account, to read the contents of any file on the filesystem utilizing one of a few available binaries.

Severity

No CVSS data available.

CWE

Privileged File Read

Assigner

brocade mitre root

References

1 reference

URL	Tags
https://www.broadcom.com/support/fibre-channel-ne…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Brocade Fabric OS	Affected: Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:33:15.743Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Brocade Fabric OS",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the restricted shell environment (rbash) as either the \u201cuser\u201d or \u201cfactory\u201d account, to read the contents of any file on the filesystem utilizing one of a few available binaries."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Privileged File Read",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-02-21T17:49:34.000Z",
        "orgId": "87b297d7-335e-4844-9551-11b97995a791",
        "shortName": "brocade"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "sirt@brocade.com",
          "ID": "CVE-2021-27796",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Brocade Fabric OS",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the restricted shell environment (rbash) as either the \u201cuser\u201d or \u201cfactory\u201d account, to read the contents of any file on the filesystem utilizing one of a few available binaries."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Privileged File Read"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721",
              "refsource": "MISC",
              "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "87b297d7-335e-4844-9551-11b97995a791",
    "assignerShortName": "brocade",
    "cveId": "CVE-2021-27796",
    "datePublished": "2022-02-21T17:49:34.000Z",
    "dateReserved": "2021-02-26T00:00:00.000Z",
    "dateUpdated": "2024-08-03T21:33:15.743Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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