ghsa-3w4v-rvc4-2xpw
Vulnerability from github
Published
2022-08-27 00:00
Modified
2022-09-02 21:12
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Keycloak has Files or Directories Accessible to External Parties
Details

ClassLoaderTheme and ClasspathThemeResourceProviderFactory allows reading any file available as a resource to the classloader. By sending requests for theme resources with a relative path from an external HTTP client, the client will receive the content of random files if available.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "15.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-3856"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22",
      "CWE-552"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-09-02T21:12:52Z",
    "nvd_published_at": "2022-08-26T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "ClassLoaderTheme and ClasspathThemeResourceProviderFactory allows reading any file available as a resource to the classloader. By sending requests for theme resources with a relative path from an external HTTP client, the client will receive the content of random files if available.",
  "id": "GHSA-3w4v-rvc4-2xpw",
  "modified": "2022-09-02T21:12:52Z",
  "published": "2022-08-27T00:00:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3856"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/pull/8588"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2021-3856"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2010164"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keycloak/keycloak"
    },
    {
      "type": "WEB",
      "url": "https://issues.redhat.com/browse/KEYCLOAK-19422"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Keycloak has Files or Directories Accessible to External Parties"
}


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