GSD-2018-14731

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
An issue was discovered in HMRServer.js in Parcel parcel-bundler. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1 connection (with a random TCP port number) from any origin. The random port number can be found by connecting to http://127.0.0.1 and reading the "new WebSocket" line in the source code.
Aliases
Aliases
CVE-2018-14731
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{
  "GSD": {
    "alias": "CVE-2018-14731",
    "description": "An issue was discovered in HMRServer.js in Parcel parcel-bundler. Attackers are able to steal developer\u0027s code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1 connection (with a random TCP port number) from any origin. The random port number can be found by connecting to http://127.0.0.1 and reading the \"new WebSocket\" line in the source code.",
    "id": "GSD-2018-14731"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-14731"
      ],
      "details": "An issue was discovered in HMRServer.js in Parcel parcel-bundler. Attackers are able to steal developer\u0027s code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1 connection (with a random TCP port number) from any origin. The random port number can be found by connecting to http://127.0.0.1 and reading the \"new WebSocket\" line in the source code.",
      "id": "GSD-2018-14731",
      "modified": "2023-12-13T01:22:38.293388Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2018-14731",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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            "value": "An issue was discovered in HMRServer.js in Parcel parcel-bundler. Attackers are able to steal developer\u0027s code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1 connection (with a random TCP port number) from any origin. The random port number can be found by connecting to http://127.0.0.1 and reading the \"new WebSocket\" line in the source code."
          }
        ]
      },
      "problemtype": {
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            "description": [
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                "lang": "eng",
                "value": "n/a"
              }
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/parcel-bundler/parcel/issues/1783",
            "refsource": "CONFIRM",
            "url": "https://github.com/parcel-bundler/parcel/issues/1783"
          },
          {
            "name": "https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20Messages",
            "refsource": "MISC",
            "url": "https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20Messages"
          },
          {
            "name": "https://github.com/parcel-bundler/parcel/pull/1794",
            "refsource": "CONFIRM",
            "url": "https://github.com/parcel-bundler/parcel/pull/1794"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c1.10.0",
          "affected_versions": "All versions before 1.10.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-200",
            "CWE-937"
          ],
          "date": "2021-08-31",
          "description": "An issue was discovered in HMRServer.js in Parcel parcel-bundler. Attackers are able to steal developer\u0027s code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1 connection (with a random TCP port number) from any origin. The random port number can be found by connecting to http://127.0.0.1 and reading the \"new WebSocket\" line in the source code.",
          "fixed_versions": [
            "1.10.0"
          ],
          "identifier": "CVE-2018-14731",
          "identifiers": [
            "GHSA-37q6-576q-vgr7",
            "CVE-2018-14731"
          ],
          "not_impacted": "All versions starting from 1.10.0",
          "package_slug": "npm/parcel-bundler",
          "pubdate": "2018-10-30",
          "solution": "Upgrade to version 1.10.0 or above.",
          "title": "Exposure of Sensitive Information to an Unauthorized Actor",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-14731",
            "https://github.com/parcel-bundler/parcel/issues/1783",
            "https://github.com/parcel-bundler/parcel/pull/1794",
            "https://github.com/parcel-bundler/parcel/commit/066e0bf6bd26b15c78bd47df023452e4b20073e4",
            "https://github.com/advisories/GHSA-37q6-576q-vgr7",
            "https://www.npmjs.com/advisories/721",
            "https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20Messages)",
            "https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20Messages"
          ],
          "uuid": "a49b6e07-82d3-4246-96a9-2be9d00288fe"
        },
        {
          "affected_range": "\u003c1.10.0",
          "affected_versions": "All versions before 1.10.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-200",
            "CWE-937"
          ],
          "date": "2018-11-27",
          "description": "An issue was discovered in `HMRServer.js` in Parcel. Attackers are able to steal developer\u0027s code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a `ws://` connection (with a random TCP port number) from any origin.",
          "fixed_versions": [
            "1.10.0"
          ],
          "identifier": "CVE-2018-14731",
          "identifiers": [
            "CVE-2018-14731"
          ],
          "not_impacted": "All versions starting from 1.10.0",
          "package_slug": "npm/parcel",
          "pubdate": "2018-09-21",
          "solution": "Upgrade to version 1.10.0 or above.",
          "title": "Information Exposure",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-14731",
            "https://github.com/parcel-bundler/parcel/issues/1783",
            "https://github.com/parcel-bundler/parcel/pull/1794"
          ],
          "uuid": "365347f4-ab10-4b61-b4ef-d39c22f2ac09"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:parceljs:parcel:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ID": "CVE-2018-14731"
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "An issue was discovered in HMRServer.js in Parcel parcel-bundler. Attackers are able to steal developer\u0027s code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1 connection (with a random TCP port number) from any origin. The random port number can be found by connecting to http://127.0.0.1 and reading the \"new WebSocket\" line in the source code."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-200"
                }
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/parcel-bundler/parcel/pull/1794",
              "refsource": "CONFIRM",
              "tags": [
                "Exploit",
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://github.com/parcel-bundler/parcel/pull/1794"
            },
            {
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            },
            {
              "name": "https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20Messages",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20Messages"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2018-11-27T19:01Z",
      "publishedDate": "2018-09-21T17:29Z"
    }
  }
}


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