Vulnerability-Lookup

FKIE_CVE-2017-16086

Vulnerability from fkie_nvd - Published: 2018-06-07 02:29 - Updated: 2026-06-17 01:08

Severity

7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

ua-parser is a port of Browserscope's user agent parser. ua-parser is vulnerable to a ReDoS (Regular Expression Denial of Service) attack when given a specially crafted UserAgent header.

References

	URL	Tags
	support@hackerone.com	https://nodesecurity.io/advisories/316	Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://nodesecurity.io/advisories/316	Third Party Advisory

Impacted products

	Vendor	Product	Version
	ua-parser_project	ua-parser	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "ua-parser node module",
          "vendor": "HackerOne",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        }
      ],
      "source": "support@hackerone.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ua-parser_project:ua-parser:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "6AF63D28-CA78-44CA-81E5-14054512D980",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ua-parser is a port of Browserscope\u0027s user agent parser. ua-parser is vulnerable to a ReDoS (Regular Expression Denial of Service) attack when given a specially crafted UserAgent header."
    },
    {
      "lang": "es",
      "value": "ua-parser es un port del analizador de agente de usuario de Browserscope. ua-parser es vulnerable a un ataque de denegaci\u00f3n de servicio con expresiones regulares (ReDoS) cuando se proporciona una cabecera UserAgent especialmente manipulada."
    }
  ],
  "id": "CVE-2017-16086",
  "lastModified": "2026-06-17T01:08:46.483",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-06-07T02:29:01.597",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://nodesecurity.io/advisories/316"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://nodesecurity.io/advisories/316"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2017-16086 (GCVE-0-2017-16086)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-17 00:31

Summary

ua-parser is a port of Browserscope's user agent parser. ua-parser is vulnerable to a ReDoS (Regular Expression Denial of Service) attack when given a specially crafted UserAgent header.

Severity

No CVSS data available.

CWE

CWE-400 - Denial of Service (CWE-400)

Assigner

hackerone mitre root

References

1 reference

URL	Tags
https://nodesecurity.io/advisories/316	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
HackerOne	ua-parser node module	Affected: All versions

Date Public

2018-04-26 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T20:13:07.191Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://nodesecurity.io/advisories/316"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ua-parser node module",
          "vendor": "HackerOne",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        }
      ],
      "datePublic": "2018-04-26T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "ua-parser is a port of Browserscope\u0027s user agent parser. ua-parser is vulnerable to a ReDoS (Regular Expression Denial of Service) attack when given a specially crafted UserAgent header."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "Denial of Service (CWE-400)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-06-07T01:57:01.000Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://nodesecurity.io/advisories/316"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "DATE_PUBLIC": "2018-04-26T00:00:00",
          "ID": "CVE-2017-16086",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "ua-parser node module",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "HackerOne"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "ua-parser is a port of Browserscope\u0027s user agent parser. ua-parser is vulnerable to a ReDoS (Regular Expression Denial of Service) attack when given a specially crafted UserAgent header."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial of Service (CWE-400)"
                }
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            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://nodesecurity.io/advisories/316",
              "refsource": "MISC",
              "url": "https://nodesecurity.io/advisories/316"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2017-16086",
    "datePublished": "2018-06-07T02:00:00.000Z",
    "dateReserved": "2017-10-29T00:00:00.000Z",
    "dateUpdated": "2024-09-17T00:31:35.528Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.