Vulnerability-Lookup

GHSA-7F55-FQW6-8JJP

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

Details

Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 suffer from improper certificate validation in bztransmit helper due to hardcoded whitelist of strings in URLs where validation is disabled leading to possible remote code execution via client update functionality.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-8289"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-27T02:15:00Z",
    "severity": "HIGH"
  },
  "details": "Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 suffer from improper certificate validation in `bztransmit` helper due to hardcoded whitelist of strings in URLs where validation is disabled leading to possible remote code execution via client update functionality.",
  "id": "GHSA-7f55-fqw6-8jjp",
  "modified": "2022-05-24T17:37:30Z",
  "published": "2022-05-24T17:37:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8289"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/818853"
    },
    {
      "type": "WEB",
      "url": "https://github.com/geffner/CVE-2020-8289/blob/master/README.md"
    },
    {
      "type": "WEB",
      "url": "https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1"
    },
    {
      "type": "WEB",
      "url": "https://youtu.be/W0THXbcX5V8"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2020/Dec/57"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2020/Dec/58"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-8289 (GCVE-0-2020-8289)

Vulnerability from cvelistv5 – Published: 2020-12-27 01:20 – Updated: 2024-08-04 09:56

Summary

Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 suffer from improper certificate validation in `bztransmit` helper due to hardcoded whitelist of strings in URLs where validation is disabled leading to possible remote code execution via client update functionality.

Severity ?

No CVSS data available.

CWE

CWE-295 - Improper Certificate Validation (CWE-295)

Assigner

hackerone

References

URL

Tags

	https://hackerone.com/reports/818853	x_refsource_MISC
	https://youtu.be/W0THXbcX5V8	x_refsource_MISC
	https://github.com/geffner/CVE-2020-8289/blob/mas…	x_refsource_MISC
	https://www.backblaze.com/blog/backblaze-cloud-ba…	x_refsource_MISC
	http://seclists.org/fulldisclosure/2020/Dec/57	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2020/Dec/58	mailing-listx_refsource_FULLDISC

Impacted products

	Vendor	Product	Version
	n/a	Backblaze	Affected: Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:56:28.315Z",
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          },
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            "url": "https://github.com/geffner/CVE-2020-8289/blob/master/README.md"
          },
          {
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            ],
            "url": "https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/"
          },
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          },
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            "tags": [
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            "url": "http://seclists.org/fulldisclosure/2020/Dec/58"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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      "x_legacyV4Record": {
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            },
            {
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            },
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              "refsource": "FULLDISC",
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            },
            {
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  "cveMetadata": {
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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-7F55-FQW6-8JJP

CVE-2020-8289 (GCVE-0-2020-8289)

Tags

Sightings

Nomenclature