gsd-2018-3741
Vulnerability from gsd
Modified
2018-03-22 00:00
Details
There is a possible XSS vulnerability in rails-html-sanitizer. The gem allows non-whitelisted attributes to be present in sanitized output when input with specially-crafted HTML fragments, and these attributes can lead to an XSS attack on target applications. This issue is similar to CVE-2018-8048 in Loofah.
Aliases
Aliases
CVE-2018-3741


To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-3741",
    "description": "There is a possible XSS vulnerability in all rails-html-sanitizer gem versions below 1.0.4 for Ruby. The gem allows non-whitelisted attributes to be present in sanitized output when input with specially-crafted HTML fragments, and these attributes can lead to an XSS attack on target applications. This issue is similar to CVE-2018-8048 in Loofah. All users running an affected release should either upgrade or use one of the workarounds immediately.",
    "id": "GSD-2018-3741",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-3741.html",
      "https://access.redhat.com/errata/RHSA-2019:0212"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "rails-html-sanitizer",
            "purl": "pkg:gem/rails-html-sanitizer"
          }
        }
      ],
      "aliases": [
        "CVE-2018-3741",
        "GHSA-px3r-jm9g-c8w8"
      ],
      "details": "There is a possible XSS vulnerability in rails-html-sanitizer.  The gem allows\nnon-whitelisted attributes to be present in sanitized output when input with\nspecially-crafted HTML fragments, and these attributes can lead to an XSS attack\non target applications.\n\nThis issue is similar to CVE-2018-8048 in Loofah.\n",
      "id": "GSD-2018-3741",
      "modified": "2018-03-22T00:00:00.000Z",
      "published": "2018-03-22T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://groups.google.com/d/msg/rubyonrails-security/tP7W3kLc5u4/uDy2Br7xBgAJ"
        },
        {
          "type": "WEB",
          "url": "https://github.com/rails/rails-html-sanitizer/commit/f3ba1a839a35f2ba7f941c15e239a1cb379d56ae"
        }
      ],
      "related": [
        "CVE-2018-8048"
      ],
      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 6.1,
          "type": "CVSS_V3"
        }
      ],
      "summary": "XSS vulnerability in rails-html-sanitizer"
    }
  },
  "namespaces": {
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        "ID": "CVE-2018-3741",
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              "product": {
                "product_data": [
                  {
                    "product_name": "rails-html-sanitizer",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003c= 1.0.3"
                        }
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            "value": "There is a possible XSS vulnerability in all rails-html-sanitizer gem versions below 1.0.4 for Ruby. The gem allows non-whitelisted attributes to be present in sanitized output when input with specially-crafted HTML fragments, and these attributes can lead to an XSS attack on target applications. This issue is similar to CVE-2018-8048 in Loofah. All users running an affected release should either upgrade or use one of the workarounds immediately."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) (CWE-79)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/rails/rails-html-sanitizer/commit/f3ba1a839a35f2ba7f941c15e239a1cb379d56ae",
            "refsource": "CONFIRM",
            "url": "https://github.com/rails/rails-html-sanitizer/commit/f3ba1a839a35f2ba7f941c15e239a1cb379d56ae"
          }
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    },
    "github.com/rubysec/ruby-advisory-db": {
      "cve": "2018-3741",
      "cvss_v3": 6.1,
      "date": "2018-03-22",
      "description": "There is a possible XSS vulnerability in rails-html-sanitizer.  The gem allows\nnon-whitelisted attributes to be present in sanitized output when input with\nspecially-crafted HTML fragments, and these attributes can lead to an XSS attack\non target applications.\n\nThis issue is similar to CVE-2018-8048 in Loofah.\n",
      "gem": "rails-html-sanitizer",
      "ghsa": "px3r-jm9g-c8w8",
      "patched_versions": [
        "\u003e= 1.0.4"
      ],
      "related": {
        "cve": [
          "2018-8048"
        ],
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          "https://github.com/rails/rails-html-sanitizer/commit/f3ba1a839a35f2ba7f941c15e239a1cb379d56ae"
        ]
      },
      "title": "XSS vulnerability in rails-html-sanitizer",
      "url": "https://groups.google.com/d/msg/rubyonrails-security/tP7W3kLc5u4/uDy2Br7xBgAJ"
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c1.0.4",
          "affected_versions": "All versions before 1.0.4",
          "credit": "Rafael Mendon\u00e7a Fran\u00e7a (rafaelfranca)",
          "cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-79",
            "CWE-937"
          ],
          "date": "2019-10-09",
          "description": "The gem allows attributes that are not specified in the allowlist to be present in sanitized output when input with specially-crafted HTML fragments, and these attributes can lead to an XSS attack on target applications. This issue is similar to CVE-2018-8048 in Loofah.",
          "fixed_versions": [
            "1.0.4"
          ],
          "identifier": "CVE-2018-3741",
          "identifiers": [
            "CVE-2018-3741"
          ],
          "package_slug": "gem/rails-html-sanitizer",
          "pubdate": "2018-03-30",
          "solution": "Upgrade to 1.0.4 or above",
          "title": "XSS vulnerability",
          "urls": [
            "https://github.com/rails/rails-html-sanitizer/commit/f3ba1a839a35f2ba7f941c15e239a1cb379d56ae",
            "https://groups.google.com/d/msg/rubyonrails-security/tP7W3kLc5u4/uDy2Br7xBgAJ"
          ],
          "uuid": "b18e7b29-2091-41eb-ab6f-4706604b12f9"
        }
      ]
    },
    "nvd.nist.gov": {
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        "nodes": [
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            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:rubyonrails:html_sanitizer:*:*:*:*:*:ruby:*:*",
                "cpe_name": [],
                "versionEndIncluding": "1.0.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve-assignments@hackerone.com",
          "ID": "CVE-2018-3741"
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "en",
              "value": "There is a possible XSS vulnerability in all rails-html-sanitizer gem versions below 1.0.4 for Ruby. The gem allows non-whitelisted attributes to be present in sanitized output when input with specially-crafted HTML fragments, and these attributes can lead to an XSS attack on target applications. This issue is similar to CVE-2018-8048 in Loofah. All users running an affected release should either upgrade or use one of the workarounds immediately."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-79"
                }
              ]
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        "references": {
          "reference_data": [
            {
              "name": "https://github.com/rails/rails-html-sanitizer/commit/f3ba1a839a35f2ba7f941c15e239a1cb379d56ae",
              "refsource": "CONFIRM",
              "tags": [
                "Issue Tracking",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/rails/rails-html-sanitizer/commit/f3ba1a839a35f2ba7f941c15e239a1cb379d56ae"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2023-01-30T16:10Z",
      "publishedDate": "2018-03-30T19:29Z"
    }
  }
}


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