GHSA-R2WF-Q3X4-HRV9

Vulnerability from github – Published: 2020-01-27 19:28 – Updated: 2021-08-19 16:44
VLAI
Summary
Default development error handler in Ratpack is vulnerable to HTML content injection (XSS)
Details

Versions of Ratpack from 0.9.10 through 1.7.5 are vulnerable to CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (aka. XSS) in the development error handler. An attacker can utilize this to perform XSS when an exception message contains untrusted data.

As a simplistic example:

RatpackServer startedServer = RatpackServer.start(server -> {
    server.handlers(chain -> chain.all(ctx -> {
        // User supplied query parameter
        String message = ctx.getRequest().getQueryParams().get("message");
        // User supplied data appended to the message in an exception
        throw new RuntimeException("An error occurred: " + message);
    }));
});

Impact

  • Cross-Site Scripting

Patches

This vulnerability has been patched in Ratpack version 1.7.6.

Workarounds

If you are unable to update your version of Ratpack, we recommend the following workarounds and mitigations.

  • Ensure that development mode is disabled in production.
  • Don't use real customer data (ie. untrusted user input) in development.

References

For more information

If you have any questions or comments about this advisory: - Open an issue in ratpack/ratpack - Ask in our Slack channel

Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "io.ratpack:ratpack-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.7.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-10770"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-01-27T18:23:23Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "Versions of Ratpack from 0.9.10 through 1.7.5 are vulnerable to [CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)](https://cwe.mitre.org/data/definitions/79.html) (aka. XSS) in the development error handler. An attacker can utilize this to perform XSS when an exception message contains untrusted data.\n\nAs a simplistic example:\n```java\nRatpackServer startedServer = RatpackServer.start(server -\u003e {\n    server.handlers(chain -\u003e chain.all(ctx -\u003e {\n        // User supplied query parameter\n        String message = ctx.getRequest().getQueryParams().get(\"message\");\n        // User supplied data appended to the message in an exception\n        throw new RuntimeException(\"An error occurred: \" + message);\n    }));\n});\n```\n\n### Impact\n\n - Cross-Site Scripting\n\n### Patches\n\nThis vulnerability has been patched in Ratpack version 1.7.6.\n\n### Workarounds\n\nIf you are unable to update your version of Ratpack, we recommend the following workarounds and mitigations.\n\n - Ensure that development mode is disabled in production.\n - Don\u0027t use real customer data (ie. untrusted user input) in development.\n\n### References\n\n - [Ratpack development mode](https://ratpack.io/manual/current/api/ratpack/server/ServerConfigBuilder.html#development-boolean-)\n - [Code Patch - a3cbb13](https://github.com/ratpack/ratpack/commit/a3cbb13be1527874528c3b99fc33517c0297b6d3)\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n - Open an issue in [ratpack/ratpack](https://github.com/ratpack/ratpack/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc)\n - Ask in our [Slack channel](https://slack-signup.ratpack.io/)\n",
  "id": "GHSA-r2wf-q3x4-hrv9",
  "modified": "2021-08-19T16:44:56Z",
  "published": "2020-01-27T19:28:20Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ratpack/ratpack/security/advisories/GHSA-r2wf-q3x4-hrv9"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-10770"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ratpack/ratpack/commit/a3cbb13be1527874528c3b99fc33517c0297b6d3"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JAVA-IORATPACK-534882"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Default development error handler in Ratpack is vulnerable to HTML content injection (XSS)"
}



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Sightings

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Nomenclature

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  • 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.
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  • 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.



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