github - GHSA-2j9c-9vmv-7m39

GHSA-2J9C-9VMV-7M39

Vulnerability from github – Published: 2018-07-31 18:18 – Updated: 2023-09-05 21:45

Summary

Missing Regex anchor in Rack-Cors allows malicious third party site to perform CORS request

Details

Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted example.com domain name and not the malicious example.net domain name, then example.com.example.net (as well as example.com-example.net) would be inadvertently allowed.

Severity ?

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rack-cors"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.4.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2017-11173"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T20:52:24Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted `example.com` domain name and not the malicious `example.net` domain name, then `example.com.example.net` (as well as `example.com-example.net`) would be inadvertently allowed.",
  "id": "GHSA-2j9c-9vmv-7m39",
  "modified": "2023-09-05T21:45:13Z",
  "published": "2018-07-31T18:18:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-11173"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cyu/rack-cors/commit/42ebe6caa8e85ffa9c8a171bda668ba1acc7a5e6"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/cyu/rack-cors"
    },
    {
      "type": "WEB",
      "url": "https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2017/Jul/22"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2017/dsa-3931"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Missing Regex anchor in Rack-Cors allows malicious third party site to perform CORS request"
}

CVE-2017-11173 (GCVE-0-2017-11173)

Vulnerability from cvelistv5 – Published: 2017-07-13 03:00 – Updated: 2024-08-05 17:57

Summary

Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted example.com domain name and not the malicious example.net domain name, then example.com.example.net (as well as example.com-example.net) would be inadvertently allowed.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://seclists.org/fulldisclosure/2017/Jul/22	x_refsource_MISC
	https://packetstormsecurity.com/files/143345/rack…	x_refsource_MISC
	https://github.com/cyu/rack-cors/commit/42ebe6caa…	x_refsource_MISC
	http://www.debian.org/security/2017/dsa-3931	vendor-advisoryx_refsource_DEBIAN

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T17:57:58.552Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "http://seclists.org/fulldisclosure/2017/Jul/22"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/cyu/rack-cors/commit/42ebe6caa8e85ffa9c8a171bda668ba1acc7a5e6"
          },
          {
            "name": "DSA-3931",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2017/dsa-3931"
          }
        ],
        "title": "CVE Program Container"
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          "versions": [
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      "descriptions": [
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        }
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      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2017-11-03T18:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
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          "url": "https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html"
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          "name": "DSA-3931",
          "tags": [
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          "url": "http://www.debian.org/security/2017/dsa-3931"
        }
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            }
          ]
        },
        "problemtype": {
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                  "value": "n/a"
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        },
        "references": {
          "reference_data": [
            {
              "name": "http://seclists.org/fulldisclosure/2017/Jul/22",
              "refsource": "MISC",
              "url": "http://seclists.org/fulldisclosure/2017/Jul/22"
            },
            {
              "name": "https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html",
              "refsource": "MISC",
              "url": "https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html"
            },
            {
              "name": "https://github.com/cyu/rack-cors/commit/42ebe6caa8e85ffa9c8a171bda668ba1acc7a5e6",
              "refsource": "MISC",
              "url": "https://github.com/cyu/rack-cors/commit/42ebe6caa8e85ffa9c8a171bda668ba1acc7a5e6"
            },
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              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2017/dsa-3931"
            }
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  "cveMetadata": {
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    "assignerShortName": "mitre",
    "cveId": "CVE-2017-11173",
    "datePublished": "2017-07-13T03:00:00",
    "dateReserved": "2017-07-11T00:00:00",
    "dateUpdated": "2024-08-05T17:57:58.552Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GSD-2017-11173

Vulnerability from gsd - Updated: 2015-07-13 00:00

Details

Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted example.com domain name and not the malicious example.net domain name, then example.com.example.net (as well as example.com-example.net) would be inadvertently allowed.

Aliases

CVE-2017-11173

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2017-11173",
    "description": "Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted example.com domain name and not the malicious example.net domain name, then example.com.example.net (as well as example.com-example.net) would be inadvertently allowed.",
    "id": "GSD-2017-11173",
    "references": [
      "https://www.debian.org/security/2017/dsa-3931"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "rack-cors",
            "purl": "pkg:gem/rack-cors"
          }
        }
      ],
      "aliases": [
        "CVE-2017-11173",
        "GHSA-2j9c-9vmv-7m39"
      ],
      "details": "Missing anchor in generated regex for rack-cors before 0.4.1\nallows a malicious third-party site to perform CORS requests.\nIf the configuration were intended to allow only the trusted\nexample.com domain name and not the malicious example.net domain name,\nthen example.com.example.net (as well as example.com-example.net) would\nbe inadvertently allowed.\n",
      "id": "GSD-2017-11173",
      "modified": "2015-07-13T00:00:00.000Z",
      "published": "2015-07-13T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://github.com/cyu/rack-cors/issues/86"
        },
        {
          "type": "WEB",
          "url": "http://seclists.org/fulldisclosure/2017/Jul/22"
        }
      ],
      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 6.8,
          "type": "CVSS_V2"
        },
        {
          "score": 8.8,
          "type": "CVSS_V3"
        }
      ],
      "summary": "rack-cors Gem Missing Anchor permits unauthorized CORS requests"
    }
  },
  "namespaces": {
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        "ASSIGNER": "cve@mitre.org",
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              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
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              "vendor_name": "n/a"
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            "value": "Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted example.com domain name and not the malicious example.net domain name, then example.com.example.net (as well as example.com-example.net) would be inadvertently allowed."
          }
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      "problemtype": {
        "problemtype_data": [
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                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
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      },
      "references": {
        "reference_data": [
          {
            "name": "http://seclists.org/fulldisclosure/2017/Jul/22",
            "refsource": "MISC",
            "url": "http://seclists.org/fulldisclosure/2017/Jul/22"
          },
          {
            "name": "https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html",
            "refsource": "MISC",
            "url": "https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html"
          },
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        ]
      }
    },
    "github.com/rubysec/ruby-advisory-db": {
      "cve": "2017-11173",
      "cvss_v2": 6.8,
      "cvss_v3": 8.8,
      "date": "2015-07-13",
      "description": "Missing anchor in generated regex for rack-cors before 0.4.1\nallows a malicious third-party site to perform CORS requests.\nIf the configuration were intended to allow only the trusted\nexample.com domain name and not the malicious example.net domain name,\nthen example.com.example.net (as well as example.com-example.net) would\nbe inadvertently allowed.\n",
      "gem": "rack-cors",
      "ghsa": "2j9c-9vmv-7m39",
      "patched_versions": [
        "\u003e= 0.4.1"
      ],
      "related": {
        "url": [
          "https://github.com/cyu/rack-cors/issues/86",
          "http://seclists.org/fulldisclosure/2017/Jul/22"
        ]
      },
      "title": "rack-cors Gem Missing Anchor permits unauthorized CORS requests",
      "url": "https://github.com/cyu/rack-cors/issues/86"
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c0.4.1",
          "affected_versions": "All versions before 0.4.1",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2020-03-03",
          "description": "Missing anchor in generated regex for rack-cors allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted `example.com` domain name and not the malicious `example.net` domain name, then `example.com.example.net` (as well as `example.com-example.net)` would be inadvertently allowed.",
          "fixed_versions": [
            "0.4.1"
          ],
          "identifier": "CVE-2017-11173",
          "identifiers": [
            "CVE-2017-11173"
          ],
          "not_impacted": "All versions starting from 0.4.1",
          "package_slug": "gem/rack-cors",
          "pubdate": "2017-07-13",
          "solution": "Upgrade to version 0.4.1 or above.",
          "title": "Improper Access Control",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2017-11173",
            "https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html"
          ],
          "uuid": "b725c542-18a6-49a1-83c3-3ad367ba483e"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:rack-cors_project:rack-cors:*:*:*:*:*:ruby:*:*",
                "cpe_name": [],
                "versionEndExcluding": "0.4.1",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
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              "value": "Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted example.com domain name and not the malicious example.net domain name, then example.com.example.net (as well as example.com-example.net) would be inadvertently allowed."
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        "references": {
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                "VDB Entry"
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              "url": "https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html"
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              "tags": [
                "Third Party Advisory"
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          ]
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      },
      "impact": {
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          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-03-03T19:16Z",
      "publishedDate": "2017-07-13T03:29Z"
    }
  }
}

Sightings

Author	Source	Type	Date

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

GHSA-2J9C-9VMV-7M39

CVE-2017-11173 (GCVE-0-2017-11173)

GSD-2017-11173

Tags

Sightings

Nomenclature