CVE-2022-23634 (GCVE-0-2022-23634)

Vulnerability from cvelistv5 – Published: 2022-02-11 21:40 – Updated: 2025-04-23 19:05
VLAI
Title
Information Exposure when using Puma with Rails
Summary
Puma is a Ruby/Rack web server built for parallelism. Prior to `puma` version `5.6.2`, `puma` may not always call `close` on the response body. Rails, prior to version `7.0.2.2`, depended on the response body being closed in order for its `CurrentAttributes` implementation to work correctly. The combination of these two behaviors (Puma not closing the body + Rails' Executor implementation) causes information leakage. This problem is fixed in Puma versions 5.6.2 and 4.3.11. This problem is fixed in Rails versions 7.02.2, 6.1.4.6, 6.0.4.6, and 5.2.6.2. Upgrading to a patched Rails _or_ Puma version fixes the vulnerability.
Severity
8 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 15:56 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7771 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
puma puma Affected: >= 5.0.0, < 5.6.2
Affected: < 4.3.11
guessed Create a notification for this product.
Show details on NVD website
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            "tags": [
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              "Third Party Advisory"
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            "url": "https://github.com/puma/puma/commit/b70f451fe8abc0cff192c065d549778452e155bb"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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              "Third Party Advisory"
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            "url": "https://github.com/puma/puma/security/advisories/GHSA-rmj8-8hhh-gv5h"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Mitigation",
              "Patch",
              "Third Party Advisory"
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            "url": "https://groups.google.com/g/ruby-security-ann/c/FkTM-_7zSNA/m/K2RiMJBlBAAJ?utm_medium=email\u0026utm_source=footer\u0026pli=1"
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            "tags": [
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            "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00034.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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              "Third Party Advisory"
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            "url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00015.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6YWGIIKL7KKTS3ZOAYMYPC7D6WQ5OA5/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7NESIBFCNSR3XH7LXDPKVMSUBNUB43G/"
          },
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUBFJ44NCKJ34LECZRAP4N5VL6USJSIB/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            "url": "https://security.gentoo.org/glsa/202208-28"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5146"
          }
        ],
        "sourceIdentifier": "security-advisories@github.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-200"
              }
            ],
            "source": "security-advisories@github.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-404"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T15:51:12+00:00",
      "cve": "CVE-2022-23634",
      "id": "CVE-2022-23634",
      "initial_release_date": "2022-02-11T00:00:00+00:00",
      "product_status:fixed": "7",
      "product_status:known_affected": "6",
      "product_status:known_not_affected": "3559",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "rubygem-puma: rubygem-rails: information leak between requests",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-23634.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-26T02:15:22Z",
      "cve": "CVE-2022-23634",
      "id": "CVE-2022-23634",
      "initial_release_date": "2023-02-15T03:28:03Z",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "4",
      "product_status:recommended": "17",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-23634",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-23634.json",
      "version": "28"
    }
  }
}



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