Vulnerability-Lookup

GHSA-MFC8-4QMG-G3X6

Vulnerability from github – Published: 2022-05-24 17:37 – Updated: 2022-05-24 17:37

Details

Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in bztransmit helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-8290"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-27T02:15:00Z",
    "severity": "HIGH"
  },
  "details": "Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit` helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary.",
  "id": "GHSA-mfc8-4qmg-g3x6",
  "modified": "2022-05-24T17:37:30Z",
  "published": "2022-05-24T17:37:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8290"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/818857"
    },
    {
      "type": "WEB",
      "url": "https://github.com/geffner/CVE-2020-8290/blob/master/README.md"
    },
    {
      "type": "WEB",
      "url": "https://youtu.be/OpC6neWd2aM"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-8290 (GCVE-0-2020-8290)

Vulnerability from cvelistv5 – Published: 2020-12-27 01:22 – Updated: 2024-08-04 09:56

Summary

Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit` helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary.

Severity ?

No CVSS data available.

CWE

CWE-269 - Improper Privilege Management (CWE-269)

Assigner

hackerone

References

URL

Tags

	https://hackerone.com/reports/818857	x_refsource_MISC
	https://youtu.be/OpC6neWd2aM	x_refsource_MISC
	https://github.com/geffner/CVE-2020-8290/blob/mas…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Backblaze	Affected: Prior to 7.0.0.439

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:56:28.299Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            ],
            "url": "https://hackerone.com/reports/818857"
          },
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              "x_transferred"
            ],
            "url": "https://youtu.be/OpC6neWd2aM"
          },
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              "x_transferred"
            ],
            "url": "https://github.com/geffner/CVE-2020-8290/blob/master/README.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Backblaze",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "Prior to 7.0.0.439"
            }
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        }
      ],
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        }
      ],
      "problemTypes": [
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      },
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      "x_legacyV4Record": {
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                      "version": {
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                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
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          }
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        "problemtype": {
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  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
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    "datePublished": "2020-12-27T01:22:39",
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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-MFC8-4QMG-G3X6

CVE-2020-8290 (GCVE-0-2020-8290)

Tags

Sightings

Nomenclature