rhsa-2023_1018
Vulnerability from csaf_redhat
Published
2023-02-28 15:49
Modified
2024-11-06 02:32
Summary
Red Hat Security Advisory: Red Hat OpenStack Platform 17.0 (python-werkzeug) security update

Notes

Topic
An update for python-werkzeug is now available for Red Hat OpenStack Platform 17.0 (Wallaby). Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Werkzeug ======== Werkzeug started as simple collection of various utilities for WSGI applications and has become one of the most advanced WSGI utility modules. It includes a powerful debugger, full featured request and response objects, HTTP utilities to handle entity tags, cache control headers, HTTP dates, cookie handling, file uploads, a powerful URL routing system and a bunch of community contributed addon modules. Werkzeug is unicode aware and doesn't enforce a specific template engine, database adapter or anything else. It doesn't even enforce a specific way of handling requests and leaves all that up to the developer. It's most useful for end user applications which should work on as many server environments as possible (such as blogs, wikis, bulletin boards, etc.). Security Fix(es): * high resource usage when parsing multipart form data with many fields (CVE-2023-25577) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.
Terms of Use
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.



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    "notes": [
      {
        "category": "summary",
        "text": "An update for python-werkzeug is now available for Red Hat OpenStack\nPlatform 17.0 (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"
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        "category": "general",
        "text": "Werkzeug ======== Werkzeug started as simple collection of various\nutilities for WSGI applications and has become one of the most advanced\nWSGI utility modules. It includes a powerful debugger, full featured\nrequest and response objects, HTTP utilities to handle entity tags, cache\ncontrol headers, HTTP dates, cookie handling, file uploads, a powerful URL\nrouting system and a bunch of community contributed addon modules. Werkzeug\nis unicode aware and doesn\u0027t enforce a specific template engine, database\nadapter or anything else. It doesn\u0027t even enforce a specific way of\nhandling requests and leaves all that up to the developer. It\u0027s most useful\nfor end user applications which should work on as many server environments\nas possible (such as blogs, wikis, bulletin boards, etc.).\n\nSecurity Fix(es):\n\n* high resource usage when parsing multipart form data with many fields\n(CVE-2023-25577)\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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    "title": "Red Hat Security Advisory: Red Hat OpenStack Platform 17.0 (python-werkzeug) security update",
    "tracking": {
      "current_release_date": "2024-11-06T02:32:43+00:00",
      "generator": {
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      "id": "RHSA-2023:1018",
      "initial_release_date": "2023-02-28T15:49:16+00:00",
      "revision_history": [
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        },
        "product_reference": "python-werkzeug-0:2.0.1-5.el9ost.src",
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  "vulnerabilities": [
    {
      "cve": "CVE-2023-23934",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2023-02-15T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2170243"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in python-werkzeug. Browsers may allow \"nameless\" cookies like =value instead of key=value. A vulnerable browser may allow a compromised application on an adjacent subdomain to exploit this to set a cookie for another subdomain. If a Werkzeug application is running next to a vulnerable or malicious subdomain that sets such a cookie using a vulnerable browser, the Werkzeug application will see the bad cookie value but the valid cookie key.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "python-werkzeug: cookie prefixed with = can shadow unprefixed cookie",
          "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-17.0:python3-werkzeug-0:2.0.1-5.el9ost.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-23934"
        },
        {
          "category": "external",
          "summary": "RHBZ#2170243",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2170243"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-23934",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-23934"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-23934",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-23934"
        },
        {
          "category": "external",
          "summary": "https://github.com/pallets/werkzeug/commit/cf275f42acad1b5950c50ffe8ef58fe62cdce028",
          "url": "https://github.com/pallets/werkzeug/commit/cf275f42acad1b5950c50ffe8ef58fe62cdce028"
        },
        {
          "category": "external",
          "summary": "https://github.com/pallets/werkzeug/releases/tag/2.2.3",
          "url": "https://github.com/pallets/werkzeug/releases/tag/2.2.3"
        },
        {
          "category": "external",
          "summary": "https://github.com/pallets/werkzeug/security/advisories/GHSA-px8h-6qxv-m22q",
          "url": "https://github.com/pallets/werkzeug/security/advisories/GHSA-px8h-6qxv-m22q"
        }
      ],
      "release_date": "2023-02-14T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-02-28T15:49:16+00:00",
          "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-17.0:python-werkzeug-0:2.0.1-5.el9ost.src",
            "9Base-RHOS-17.0:python3-werkzeug-0:2.0.1-5.el9ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:1018"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 2.6,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "9Base-RHOS-17.0:python-werkzeug-0:2.0.1-5.el9ost.src",
            "9Base-RHOS-17.0:python3-werkzeug-0:2.0.1-5.el9ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "python-werkzeug: cookie prefixed with = can shadow unprefixed cookie"
    },
    {
      "cve": "CVE-2023-25577",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2023-02-15T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2170242"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in python-werkzeug. Werkzeug is multipart form data parser, that will parse an unlimited number of parts, including file parts. These parts can be a small amount of bytes, but each requires CPU time to parse, and may use more memory as Python data. If a request can be made to an endpoint that accesses request.data, request.form, request.files, or request.get_data(parse_form_data=False), it can cause unexpectedly high resource usage, allowing an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests, and if many concurrent requests are sent continuously, this can exhaust or kill all available workers.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "python-werkzeug: high resource usage when parsing multipart form data with many fields",
          "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": [
          "9Base-RHOS-17.0:python-werkzeug-0:2.0.1-5.el9ost.src",
          "9Base-RHOS-17.0:python3-werkzeug-0:2.0.1-5.el9ost.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-25577"
        },
        {
          "category": "external",
          "summary": "RHBZ#2170242",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2170242"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-25577",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-25577"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-25577",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-25577"
        },
        {
          "category": "external",
          "summary": "https://github.com/pallets/werkzeug/commit/517cac5a804e8c4dc4ed038bb20dacd038e7a9f1",
          "url": "https://github.com/pallets/werkzeug/commit/517cac5a804e8c4dc4ed038bb20dacd038e7a9f1"
        },
        {
          "category": "external",
          "summary": "https://github.com/pallets/werkzeug/releases/tag/2.2.3",
          "url": "https://github.com/pallets/werkzeug/releases/tag/2.2.3"
        },
        {
          "category": "external",
          "summary": "https://github.com/pallets/werkzeug/security/advisories/GHSA-xg9f-g7g7-2323",
          "url": "https://github.com/pallets/werkzeug/security/advisories/GHSA-xg9f-g7g7-2323"
        }
      ],
      "release_date": "2023-02-14T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-02-28T15:49:16+00:00",
          "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-17.0:python-werkzeug-0:2.0.1-5.el9ost.src",
            "9Base-RHOS-17.0:python3-werkzeug-0:2.0.1-5.el9ost.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:1018"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "9Base-RHOS-17.0:python-werkzeug-0:2.0.1-5.el9ost.src",
            "9Base-RHOS-17.0:python3-werkzeug-0:2.0.1-5.el9ost.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "python-werkzeug: high resource usage when parsing multipart form data with many fields"
    }
  ]
}


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