GHSA-VFPH-HJFV-CPV2

Vulnerability from github – Published: 2024-02-17 06:30 – Updated: 2025-04-04 02:09
VLAI?
Summary
Improper Restriction of Excessive Authentication Attempts in github.com/greenpau/caddy-security
Details

All versions of the package github.com/greenpau/caddy-security are vulnerable to Improper Restriction of Excessive Authentication Attempts via the two-factor authentication (2FA). Although the application blocks the user after several failed attempts to provide 2FA codes, attackers can bypass this blocking mechanism by automating the application’s full multistep 2FA process.

Severity ?
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/greenpau/caddy-security"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.1.23"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-21500"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-307"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-02-20T23:48:22Z",
    "nvd_published_at": "2024-02-17T05:15:10Z",
    "severity": "MODERATE"
  },
  "details": "All versions of the package github.com/greenpau/caddy-security are vulnerable to Improper Restriction of Excessive Authentication Attempts via the two-factor authentication (2FA). Although the application blocks the user after several failed attempts to provide 2FA codes, attackers can bypass this blocking mechanism by automating the application\u2019s full multistep 2FA process.",
  "id": "GHSA-vfph-hjfv-cpv2",
  "modified": "2025-04-04T02:09:09Z",
  "published": "2024-02-17T06:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-21500"
    },
    {
      "type": "WEB",
      "url": "https://github.com/greenpau/caddy-security/issues/271"
    },
    {
      "type": "WEB",
      "url": "https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy"
    },
    {
      "type": "WEB",
      "url": "https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249864"
    },
    {
      "type": "PACKAGE",
      "url": "github.com/greenpau/caddy-security"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improper Restriction of Excessive Authentication Attempts in github.com/greenpau/caddy-security"
}


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