Vulnerability-Lookup

ubuntu-cve-2018-3740

Vulnerability from osv_ubuntu

Published

2018-03-30 19:29

Modified

2025-07-17 16:53

Summary

Details

A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element.

Severity

7.5 (High)


                    
                      CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2018-3740	REPORT
	https://github.com/rgrove/sanitize/issues/176	REPORT
	https://github.com/rgrove/sanitize/commit/01629a1…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2018-3740	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ruby-sanitize",
            "binary_version": "2.1.0-2+deb9u1build0.16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "ruby-sanitize",
        "purl": "pkg:deb/ubuntu/ruby-sanitize@2.1.0-2+deb9u1build0.16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0-2+deb9u1build0.16.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.0-1",
        "2.1.0-2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ruby-sanitize",
            "binary_version": "2.1.0-2+deb9u1build0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "ruby-sanitize",
        "purl": "pkg:deb/ubuntu/ruby-sanitize@2.1.0-2+deb9u1build0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0-2+deb9u1build0.18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.0-2"
      ]
    }
  ],
  "aliases": [],
  "details": "A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element.",
  "id": "UBUNTU-CVE-2018-3740",
  "modified": "2025-07-17T16:53:47Z",
  "published": "2018-03-30T19:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-3740"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rgrove/sanitize/issues/176"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46e"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-3740"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-3740"
  ]
}

CVE-2018-3740 (GCVE-0-2018-3740)

Vulnerability from cvelistv5 – Published: 2018-03-30 19:00 – Updated: 2024-08-05 04:50

Summary

A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element.

Severity

No CVSS data available.

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CWE-79)

Assigner

hackerone

References

4 references

URL	Tags
https://www.debian.org/security/2018/dsa-4358	vendor-advisoryx_refsource_DEBIAN
https://github.com/rgrove/sanitize/issues/176	x_refsource_CONFIRM
https://about.gitlab.com/2018/06/25/security-rele…	x_refsource_CONFIRM
https://github.com/rgrove/sanitize/commit/01629a1…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Ryan Grove	sanitize (ruby gem)	Affected: < 4.6.3

Date Public

2018-03-30 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T04:50:30.616Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "DSA-4358",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4358"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/rgrove/sanitize/issues/176"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-released/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46e"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "sanitize (ruby gem)",
          "vendor": "Ryan Grove",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.6.3"
            }
          ]
        }
      ],
      "datePublic": "2018-03-30T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) (CWE-79)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-12-28T10:57:01.000Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "name": "DSA-4358",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4358"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/rgrove/sanitize/issues/176"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-released/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46e"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "ID": "CVE-2018-3740",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "sanitize (ruby gem)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c 4.6.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Ryan Grove"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element."
            }
          ]
        },
        "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": "DSA-4358",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2018/dsa-4358"
            },
            {
              "name": "https://github.com/rgrove/sanitize/issues/176",
              "refsource": "CONFIRM",
              "url": "https://github.com/rgrove/sanitize/issues/176"
            },
            {
              "name": "https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-released/",
              "refsource": "CONFIRM",
              "url": "https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-released/"
            },
            {
              "name": "https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46e",
              "refsource": "CONFIRM",
              "url": "https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46e"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2018-3740",
    "datePublished": "2018-03-30T19:00:00.000Z",
    "dateReserved": "2017-12-28T00:00:00.000Z",
    "dateUpdated": "2024-08-05T04:50:30.616Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2018-3740

Vulnerability from osv_ubuntu

CVE-2018-3740 (GCVE-0-2018-3740)

Tags

Sightings

Nomenclature