GHSA-9Q69-G5GC-9FGF

Vulnerability from github – Published: 2021-04-22 16:16 – Updated: 2021-04-20 17:07
VLAI?
Summary
Cross-Site Request Forgery in Vert.x-Web framework
Details

Vert.x-Web framework v4.0 milestone 1-4 does not perform a correct CSRF verification. Instead of comparing the CSRF token in the request with the CSRF token in the cookie, it compares the CSRF token in the cookie against a CSRF token that is stored in the session. An attacker does not even need to provide a CSRF token in the request because the framework does not consider it. The cookies are automatically sent by the browser and the verification will always succeed, leading to a successful CSRF attack.

Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "io.vertx:vertx-web"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0-milestone1"
            },
            {
              "fixed": "4.0.0-milestone5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.0-milestone1"
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "io.vertx:vertx-web"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0-milestone2"
            },
            {
              "fixed": "4.0.0-milestone5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.0-milestone2"
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "io.vertx:vertx-web"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0-milestone3"
            },
            {
              "fixed": "4.0.0-milestone5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.0-milestone3"
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "io.vertx:vertx-web"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0-milestone4"
            },
            {
              "fixed": "4.0.0-milestone5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.0-milestone4"
      ]
    }
  ],
  "aliases": [
    "CVE-2020-35217"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-352"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-04-20T17:07:06Z",
    "nvd_published_at": "2021-01-20T13:15:00Z",
    "severity": "HIGH"
  },
  "details": "Vert.x-Web framework v4.0 milestone 1-4 does not perform a correct CSRF verification. Instead of comparing the CSRF token in the request with the CSRF token in the cookie, it compares the CSRF token in the cookie against a CSRF token that is stored in the session. An attacker does not even need to provide a CSRF token in the request because the framework does not consider it. The cookies are automatically sent by the browser and the verification will always succeed, leading to a successful CSRF attack.",
  "id": "GHSA-9q69-g5gc-9fgf",
  "modified": "2021-04-20T17:07:06Z",
  "published": "2021-04-22T16:16:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35217"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vert-x3/vertx-web/pull/1613"
    }
  ],
  "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": "Cross-Site Request Forgery in Vert.x-Web framework"
}


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