GHSA-5CF7-CXRF-MQ73

Vulnerability from github – Published: 2024-08-02 01:20 – Updated: 2024-08-02 16:02
VLAI?
Summary
Bostr Improper Authorization vulnerability
Details

Even with authorized_keys is filled with allowed pubkeys, If noscraper is enabled, It will allow anyone to use bouncer even it's pubkey is not in authorized_keys.

Impact

  • Private bouncer

Patches

Available on version 3.0.10

Workarounds

Disable noscraper if you have authorized_keys being set in config

References

This line of code is the cause.

Severity ?
4.6 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "bostr"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-41962"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-285"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-08-02T01:20:13Z",
    "nvd_published_at": "2024-08-01T17:16:09Z",
    "severity": "MODERATE"
  },
  "details": "Even with `authorized_keys` is filled with allowed pubkeys, If `noscraper` is enabled, It will allow anyone to use bouncer even it\u0027s pubkey is not in `authorized_keys`.\n\n### Impact\n- Private bouncer\n\n### Patches\nAvailable on version [3.0.10](https://github.com/Yonle/bostr/releases/tag/3.0.10)\n\n### Workarounds\nDisable `noscraper` if you have `authorized_keys` being set in config\n\n### References\nThis [line of code](https://github.com/Yonle/bostr/blob/8665374a66e2afb9f92d0414b0d6f420a95d5d2d/auth.js#L21) is the cause.",
  "id": "GHSA-5cf7-cxrf-mq73",
  "modified": "2024-08-02T16:02:10Z",
  "published": "2024-08-02T01:20:13Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/Yonle/bostr/security/advisories/GHSA-5cf7-cxrf-mq73"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-41962"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Yonle/bostr/commit/49181f4ec9ae1472c6675cab56bbc01e723855af"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Yonle/bostr"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Yonle/bostr/blob/8665374a66e2afb9f92d0414b0d6f420a95d5d2d/auth.js#L21"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Yonle/bostr/releases/tag/3.0.10"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Bostr Improper Authorization vulnerability"
}


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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.