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      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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      {
        "category": "summary",
        "text": "An update for python-gunicorn is now available for Red Hat OpenStack\nPlatform 17.1 (Wallaby).\n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Gunicorn (Green Unicorn) is a Python WSGI HTTP server for UNIX\n\nSecurity Fix(es):\n\n* HTTP Request Smuggling due to improper validation of Transfer-Encoding\nheaders (CVE-2024-1135)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage listed in the References section.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2024:2727",
        "url": "https://access.redhat.com/errata/RHSA-2024:2727"
      },
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        "summary": "2275280",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2275280"
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        "url": "https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_2727.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (python-gunicorn) security update",
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      },
      "id": "RHSA-2024:2727",
      "initial_release_date": "2024-05-22T20:41:38+00:00",
      "revision_history": [
        {
          "date": "2024-05-22T20:41:38+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2024-05-22T20:41:38+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-09-14T01:54:48+00:00",
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                "name": "Red Hat OpenStack Platform 17.1",
                "product": {
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                  "product_id": "9Base-RHOS-17.1",
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  "vulnerabilities": [
    {
      "cve": "CVE-2024-1135",
      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2024-04-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2275280"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An HTTP Request Smuggling vulnerability was found in Gunicorn. By crafting requests with conflicting Transfer-Encoding headers, attackers can bypass security restrictions and access restricted endpoints. This issue is due to Gunicorn\u0027s handling of Transfer-Encoding headers, where it incorrectly processes requests with multiple, conflicting Transfer-Encoding headers, treating them as chunked regardless of the final encoding specified. This vulnerability allows for a range of attacks, including cache poisoning, session manipulation, and data exposure.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "python-gunicorn: HTTP Request Smuggling due to improper validation of Transfer-Encoding headers",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "9Base-RHOS-17.1:python3-gunicorn-0:20.0.4-7.el9ost.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2024-1135"
        },
        {
          "category": "external",
          "summary": "RHBZ#2275280",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2275280"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-1135",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-1135"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-1135",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-1135"
        },
        {
          "category": "external",
          "summary": "https://github.com/advisories/GHSA-w3h3-4rj7-4ph4",
          "url": "https://github.com/advisories/GHSA-w3h3-4rj7-4ph4"
        },
        {
          "category": "external",
          "summary": "https://github.com/benoitc/gunicorn/commit/ac29c9b0a758d21f1e0fb3b3457239e523fa9f1d",
          "url": "https://github.com/benoitc/gunicorn/commit/ac29c9b0a758d21f1e0fb3b3457239e523fa9f1d"
        },
        {
          "category": "external",
          "summary": "https://huntr.com/bounties/22158e34-cfd5-41ad-97e0-a780773d96c1",
          "url": "https://huntr.com/bounties/22158e34-cfd5-41ad-97e0-a780773d96c1"
        }
      ],
      "release_date": "2024-04-15T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "For details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "9Base-RHOS-17.1:python-gunicorn-0:20.0.4-7.el9ost.src",
            "9Base-RHOS-17.1:python3-gunicorn-0:20.0.4-7.el9ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:2727"
        },
        {
          "category": "workaround",
          "details": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.",
          "product_ids": [
            "9Base-RHOS-17.1:python-gunicorn-0:20.0.4-7.el9ost.src",
            "9Base-RHOS-17.1:python3-gunicorn-0:20.0.4-7.el9ost.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
          "products": [
            "9Base-RHOS-17.1:python-gunicorn-0:20.0.4-7.el9ost.src",
            "9Base-RHOS-17.1:python3-gunicorn-0:20.0.4-7.el9ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "python-gunicorn: HTTP Request Smuggling due to improper validation of Transfer-Encoding headers"
    }
  ]
}