GHSA-68XG-GQQM-VGJ8

Vulnerability from github – Published: 2023-08-18 21:50 – Updated: 2023-08-24 22:34
VLAI?
Summary
Puma HTTP Request/Response Smuggling vulnerability
Details

Impact

Prior to version 6.3.1, puma exhibited incorrect behavior when parsing chunked transfer encoding bodies and zero-length Content-Length headers in a way that allowed HTTP request smuggling.

The following vulnerabilities are addressed by this advisory:

  • Incorrect parsing of trailing fields in chunked transfer encoding bodies
  • Parsing of blank/zero-length Content-Length headers

Patches

The vulnerability has been fixed in 6.3.1 and 5.6.7.

Workarounds

No known workarounds.

References

HTTP Request Smuggling

For more information

If you have any questions or comments about this advisory:

Open an issue in Puma See our security policy

Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "puma"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.6.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "puma"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "6.3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-40175"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-444"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-08-18T21:50:05Z",
    "nvd_published_at": "2023-08-18T22:15:11Z",
    "severity": "CRITICAL"
  },
  "details": "### Impact\nPrior to version 6.3.1, puma exhibited incorrect behavior when parsing chunked transfer encoding bodies and zero-length Content-Length headers in a way that allowed HTTP request smuggling.\n\nThe following vulnerabilities are addressed by this advisory:\n\n* Incorrect parsing of trailing fields in chunked transfer encoding bodies\n* Parsing of blank/zero-length Content-Length headers\n\n### Patches\nThe vulnerability has been fixed in 6.3.1 and 5.6.7.\n\n### Workarounds\nNo known workarounds.\n\n### References\n[HTTP Request Smuggling](https://portswigger.net/web-security/request-smuggling)\n\n### For more information\nIf you have any questions or comments about this advisory:\n\nOpen an issue in [Puma](https://github.com/puma/puma)\nSee our [security policy](https://github.com/puma/puma/security/policy)\n",
  "id": "GHSA-68xg-gqqm-vgj8",
  "modified": "2023-08-24T22:34:11Z",
  "published": "2023-08-18T21:50:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/puma/puma/security/advisories/GHSA-68xg-gqqm-vgj8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-40175"
    },
    {
      "type": "WEB",
      "url": "https://github.com/puma/puma/commit/690155e7d644b80eeef0a6094f9826ee41f1080a"
    },
    {
      "type": "WEB",
      "url": "https://github.com/puma/puma/commit/7405a219801dcebc0ad6e0aa108d4319ca23f662"
    },
    {
      "type": "WEB",
      "url": "https://github.com/puma/puma/commit/ed0f2f94b56982c687452504b95d5f1fbbe3eed1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/puma/puma"
    },
    {
      "type": "WEB",
      "url": "https://github.com/puma/puma/releases/tag/v5.6.7"
    },
    {
      "type": "WEB",
      "url": "https://github.com/puma/puma/releases/tag/v6.3.1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2023-40175.yml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Puma HTTP Request/Response Smuggling vulnerability"
}


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  • 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.



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