GHSA-RQ42-58QF-V3QX

Vulnerability from github – Published: 2023-11-17 21:38 – Updated: 2023-11-20 22:06
VLAI
Summary
LibreNMS vulnerable to rate limiting bypass on login page
Details

Summary

Application is using two login methods and one of them is using GET request for authentication. There is no rate limiting security feature at GET request or backend is not validating that.

PoC

Go to /?username=admin&password=password&submit= Capture request in Burpsuite intruder and add payload marker at password parameter value. Start the attack after adding your password list We have added 74 passwords Check screenshot for more info Screenshot 2023-11-06 at 8 55 19 PM

Impact

An attacker can Bruteforce user accounts and using GET request for authentication is not recommended because certain web servers logs all requests in old logs which can also store victim user credentials.

Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "librenms/librenms"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "23.11.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-46745"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-307",
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-11-17T21:38:42Z",
    "nvd_published_at": "2023-11-17T22:15:07Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nApplication is using two login methods and one of them is using GET request for authentication. There is no rate limiting security feature at GET request or backend is not validating that. \n\n### PoC\nGo to /?username=admin\u0026password=password\u0026submit=\nCapture request in Burpsuite intruder and add payload marker at password parameter value.\nStart the attack after adding your password list\nWe have added 74 passwords\nCheck screenshot for more info\n\u003cimg width=\"1241\" alt=\"Screenshot 2023-11-06 at 8 55 19\u202fPM\" src=\"https://user-images.githubusercontent.com/31764504/280905148-42274f1e-f869-4145-95b4-71c0bffde3a0.png\"\u003e\n\n### Impact\nAn attacker can Bruteforce user accounts and using GET request for authentication is not recommended because certain web servers logs all requests in old logs which can also store victim user credentials.",
  "id": "GHSA-rq42-58qf-v3qx",
  "modified": "2023-11-20T22:06:37Z",
  "published": "2023-11-17T21:38:42Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/librenms/librenms/security/advisories/GHSA-rq42-58qf-v3qx"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-46745"
    },
    {
      "type": "WEB",
      "url": "https://github.com/librenms/librenms/pull/15558"
    },
    {
      "type": "WEB",
      "url": "https://github.com/librenms/librenms/commit/7c006e96251ae1d32e1a015b361a7bfbb815c028"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/librenms/librenms"
    },
    {
      "type": "WEB",
      "url": "https://github.com/librenms/librenms/releases/tag/23.11.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "LibreNMS vulnerable to rate limiting bypass on login page"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.