GSD-2019-5421

Vulnerability from gsd - Updated: 2019-02-07 00:00
Details
Devise ruby gem before 4.6.0 when the `lockable` module is used is vulnerable to a time-of-check time-of-use (TOCTOU) race condition due to `increment_failed_attempts` within the `Devise::Models::Lockable` class not being concurrency safe.
Aliases
Aliases
CVE-2019-5421
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{
  "GSD": {
    "alias": "CVE-2019-5421",
    "description": "Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The `Devise::Models::Lockable` class, more specifically at the `#increment_failed_attempts` method. File location: lib/devise/models/lockable.rb that can result in Multiple concurrent requests can prevent an attacker from being blocked on brute force attacks. This attack appear to be exploitable via Network connectivity - brute force attacks. This vulnerability appears to have been fixed in 4.6.0 and later.",
    "id": "GSD-2019-5421"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "devise",
            "purl": "pkg:gem/devise"
          }
        }
      ],
      "aliases": [
        "CVE-2019-5421",
        "GHSA-73rf-6mrf-759q"
      ],
      "details": "Devise ruby gem before 4.6.0 when the `lockable` module is used is vulnerable to a\ntime-of-check time-of-use (TOCTOU) race condition due to `increment_failed_attempts`\nwithin the `Devise::Models::Lockable` class not being concurrency safe.\n",
      "id": "GSD-2019-5421",
      "modified": "2019-02-07T00:00:00.000Z",
      "published": "2019-02-07T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://github.com/plataformatec/devise/issues/4981"
        }
      ],
      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 7.5,
          "type": "CVSS_V2"
        },
        {
          "score": 9.8,
          "type": "CVSS_V3"
        }
      ],
      "summary": "Devise Gem for Ruby Time-of-check Time-of-use race condition with lockable module"
    }
  },
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              "product": {
                "product_data": [
                  {
                    "product_name": "Devise ruby gem",
                    "version": {
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          }
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      "cve": "2019-5421",
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      "cvss_v3": 9.8,
      "date": "2019-02-07",
      "description": "Devise ruby gem before 4.6.0 when the `lockable` module is used is vulnerable to a\ntime-of-check time-of-use (TOCTOU) race condition due to `increment_failed_attempts`\nwithin the `Devise::Models::Lockable` class not being concurrency safe.\n",
      "gem": "devise",
      "ghsa": "73rf-6mrf-759q",
      "patched_versions": [
        "\u003e= 4.6.0"
      ],
      "title": "Devise Gem for Ruby Time-of-check Time-of-use race condition with lockable module",
      "url": "https://github.com/plataformatec/devise/issues/4981"
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c=4.5.0",
          "affected_versions": "All versions up to 4.5.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-307",
            "CWE-937"
          ],
          "date": "2019-10-09",
          "description": "Using the lockable module contains a vulnerability that can result in multiple concurrent requests can prevent an attacker from being blocked on brute force attacks.",
          "fixed_versions": [
            "4.6.0"
          ],
          "identifier": "CVE-2019-5421",
          "identifiers": [
            "CVE-2019-5421"
          ],
          "not_impacted": "All versions after 4.5.0",
          "package_slug": "gem/devise",
          "pubdate": "2019-04-03",
          "solution": "Upgrade to version 4.6.0 or above.",
          "title": "Time-of-check Time-of-use (TOCTOU) Race Condition",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2019-5421",
            "https://github.com/plataformatec/devise/issues/4981"
          ],
          "uuid": "6302c127-b32f-4e1c-9ff9-249e116a236a"
        }
      ]
    },
    "nvd.nist.gov": {
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        "nodes": [
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            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:plataformatec:devise:*:*:*:*:*:*:*:*",
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                "versionEndIncluding": "4.5.0",
                "vulnerable": true
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        "description": {
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              "value": "Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The `Devise::Models::Lockable` class, more specifically at the `#increment_failed_attempts` method. File location: lib/devise/models/lockable.rb that can result in Multiple concurrent requests can prevent an attacker from being blocked on brute force attacks. This attack appear to be exploitable via Network connectivity - brute force attacks. This vulnerability appears to have been fixed in 4.6.0 and later."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
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              "url": "https://github.com/plataformatec/devise/issues/4981"
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-10-16T19:17Z",
      "publishedDate": "2019-04-03T15:29Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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