{
  "canonical_id": "drupal--4a0d8893d5",
  "system_id": "drupal",
  "display_name": "Drupal",
  "category": "cms",
  "advisory_mode": "core",
  "title": "Drupal core - Moderately critical - Access bypass - SA-CORE-2024-004",
  "summary": "<div class=\"field field-name-field-project field-type-entityreference field-label-inline clearfix\"><div class=\"field-label\">Project:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\"><a href=\"/project/drupal\">Drupal core</a></div></div></div><div class=\"field field-name-drupalorg-sa-date field-type-text field-label-inline clearfix\"><div class=\"field-label\">Date:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\">2024-November-20</div></div></div><div class=\"field field-name-field-sa-criticality field-type-text field-label-inline clearfix\"><div class=\"field-label\">Security risk:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\"><a href=\"/security-team/risk-levels\" class=\"moderately-critical\" title=\"AC - Access complexity: Basic or routine (user must follow specific path)\nA - Authentication: User-level access (basic/commonly assigned permissions)\nCI - Confidentiality impact: No confidentiality impact\nII - Integrity impact: Some data can be modified\nE - Exploit (Zero-day impact): Theoretical or white-hat (no public exploit code or documentation on development exists)\nTD - Target distribution: Default or common module configurations are exploitable, but a config change can disable the exploit\"><strong>Moderately critical</strong> 10\u2009\u2215\u200925 AC:Basic/A:User/CI:None/II:Some/E:Theoretical/TD:Default</a></div></div></div><div class=\"field field-name-field-sa-type field-type-text field-label-inline clearfix\"><div class=\"field-label\">Vulnerability:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\">Access bypass</div></div></div><div class=\"field field-name-field-affected-versions field-type-text field-label-inline clearfix\"><div class=\"field-label\">Affected versions:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\">&gt;= 8.0.0 &lt; 10.2.11 || &gt;= 10.3.0 &lt; 10.3.9 || &gt;= 11.0.0 &lt; 11.0.8</div></div></div><div class=\"field field-name-field-sa-cve field-type-text field-label-inline clearfix\"><div class=\"field-label\">CVE IDs:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\">CVE-2024-55634</div></div></div><div class=\"field field-name-field-sa-description field-type-text-long field-label-above\"><div class=\"field-label\">Description:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\"><p>Drupal's uniqueness checking for certain user fields is inconsistent depending on the database engine and its collation.</p>\n<p>As a result, a user may be able to register with the same email address as another user.</p>\n<p>This may lead to data integrity issues.</p></div></div></div><div class=\"field field-name-field-sa-solution field-type-text-long field-label-above\"><div class=\"field-label\">Solution:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\"><p>Install the latest version:</p>\n<ul>\n<li>If you are using Drupal 10.2, update to <a href=\"https://www.drupal.org/project/drupal/releases/10.2.11\" rel=\"nofollow\">Drupal 10.2.11.</a></li>\n<li>If you are using Drupal 10.3, update to <a href=\"https://www.drupal.org/project/drupal/releases/10.3.9\" rel=\"nofollow\">Drupal 10.3.9.</a></li>\n<li>If you are using Drupal 11.0, update to <a href=\"https://www.drupal.org/project/drupal/releases/11.0.8\" rel=\"nofollow\">Drupal 11.0.8.</a></li>\n<li>Drupal 7 is not affected.</li>\n</ul>\n<p>All versions of Drupal 10 prior to 10.2 are end-of-life and do not receive security coverage. (<a href=\"https://www.drupal.org/psa-2021-06-29\" rel=\"nofollow\">Drupal 8</a> and <a href=\"https://www.drupal.org/psa-2023-11-01\" rel=\"nofollow\">Drupal 9</a> have both reached end-of-life.)</p>\n<p>Updating Drupal will not solve potential issues with existing accounts affected by this bug. See <a href=\"/node/3486109\" rel=\"nofollow\">Fixing emails that vary only by case</a> for additional guidance.</p></div></div></div><div class=\"field field-name-field-sa-reported-by field-type-text-long field-label-above\"><div class=\"field-label\">Reported By:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\"><ul>\n<li><a href=\"https://www.drupal.org/user/326925\" rel=\"nofollow\">Wayne Eaker</a></li>\n</ul></div></div></div><div class=\"field field-name-field-sa-fixed-by field-type-text-long field-label-above\"><div class=\"field-label\">Fixed By:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\"><ul>\n<li><a href=\"https://www.drupal.org/user/326925\" rel=\"nofollow\">Wayne Eaker</a></li>\n<li><a href=\"https://www.drupal.org/user/1850070\" rel=\"nofollow\">cilefen </a> of the Drupal Security Team</li>\n<li><a href=\"https://www.drupal.org/user/1345130\" rel=\"nofollow\">Kristiaan Van den Eynde</a></li>\n<li><a href=\"https://www.drupal.org/user/255969\" rel=\"nofollow\">Drew Webber</a> of the Drupal Security Team</li>\n<li><a href=\"https://www.drupal.org/user/395439\" rel=\"nofollow\">Lee Rowlands</a> of the Drupal Security Team</li>\n</ul></div></div></div><div class=\"field field-name-field-sa-coordinated-by field-type-text-long field-label-above\"><div class=\"field-label\">Coordinated By:&nbsp;</div><div class=\"field-items\"><div class=\"field-item even\"><ul>\n<li><a href=\"https://www.drupal.org/user/272316\" rel=\"nofollow\">Juraj Nemec</a> of the Drupal Security Team</li>\n<li><a href=\"https://www.drupal.org/user/683300\" rel=\"nofollow\">Benji Fisher</a> of the Drupal Security Team</li>\n<li><a href=\"https://www.drupal.org/u/xjm\" rel=\"nofollow\">xjm</a> of the Drupal Security Team</li>\n</ul></div></div></div>",
  "published_at": "Wed, 20 Nov 2024 17:21:58 +0000",
  "updated_at": "Wed, 20 Nov 2024 17:21:58 +0000",
  "severity": "unknown",
  "cvss_score": null,
  "exploit_status": "unknown",
  "source_confidence": "official",
  "official_source_url": "https://www.drupal.org/sa-core-2024-004",
  "secondary_source_urls": [],
  "aliases": [],
  "cve_ids": [],
  "ghsa_ids": [],
  "osv_ids": [],
  "affected_versions": [],
  "fixed_versions": [],
  "package_name": null,
  "render_markdown": false,
  "case_path": null,
  "secure_code_topics": [
    "authz-server-side-recheck",
    "xss-output-encoding",
    "file-upload-validation",
    "plugin-extension-trust-policy"
  ],
  "status": "triage",
  "triage_reasons": [
    "missing affected/fixed version details"
  ],
  "verification_status": "triage-manual",
  "verification_mode": "synthetic",
  "last_verified_at": null,
  "last_run_id": null,
  "evidence_bundle": null,
  "historical_status": null,
  "latest_status": null,
  "browser_evidence": {
    "required": false,
    "present": false,
    "refs": []
  },
  "repro_profile_id": "xss-generic",
  "artifact_mode": "official-image",
  "blocked_reason": null,
  "metadata": {
    "source_names": [
      "Drupal Security Advisories RSS"
    ],
    "source_kinds": [
      "rss-feed"
    ],
    "candidate_count": 1
  }
}