csaf_redhat - rhsa-2023

rhsa-2023_1281

Vulnerability from csaf_redhat

Published

2023-03-15 19:58

Modified

2024-11-13 23:56

Summary

Red Hat Security Advisory: Red Hat OpenStack Platform (python-werkzeug) security update

Notes

Topic

An update for python-werkzeug is now available for Red Hat OpenStack Platform. 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 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.

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.

JSON

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          "title": "Vulnerability description"
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          "text": "python-werkzeug: high resource usage when parsing multipart form data with many fields",
          "title": "Vulnerability summary"
        },
        {
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        }
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            "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",
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  ]
}

cve-2023-25577

Vulnerability from cvelistv5

Published

2023-02-14 19:56

Modified

2024-08-02 11:25

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart form data parser will parse an unlimited number of parts, including file parts. 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. This allows 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. The amount of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all available workers. Version 2.2.3 contains a patch for this issue.

References

▼	URL	Tags
	https://github.com/pallets/werkzeug/security/advisories/GHSA-xg9f-g7g7-2323	x_refsource_CONFIRM
	https://github.com/pallets/werkzeug/commit/517cac5a804e8c4dc4ed038bb20dacd038e7a9f1	x_refsource_MISC
	https://github.com/pallets/werkzeug/releases/tag/2.2.3	x_refsource_MISC
	https://www.debian.org/security/2023/dsa-5470
	https://security.netapp.com/advisory/ntap-20230818-0003/

Impacted products

Vendor

Product

Version

▼

pallets

werkzeug

Version: < 2.2.3

Show details on NVD website

JSON

To clipboard

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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/pallets/werkzeug/commit/517cac5a804e8c4dc4ed038bb20dacd038e7a9f1"
          },
          {
            "name": "https://github.com/pallets/werkzeug/releases/tag/2.2.3",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/pallets/werkzeug/releases/tag/2.2.3"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2023/dsa-5470"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20230818-0003/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "werkzeug",
          "vendor": "pallets",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.2.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug\u0027s multipart form data parser will parse an unlimited number of parts, including file parts. 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. This allows 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. The amount of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all available workers. Version 2.2.3 contains a patch for this issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-02-14T19:56:26.346Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/pallets/werkzeug/security/advisories/GHSA-xg9f-g7g7-2323",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pallets/werkzeug/security/advisories/GHSA-xg9f-g7g7-2323"
        },
        {
          "name": "https://github.com/pallets/werkzeug/commit/517cac5a804e8c4dc4ed038bb20dacd038e7a9f1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pallets/werkzeug/commit/517cac5a804e8c4dc4ed038bb20dacd038e7a9f1"
        },
        {
          "name": "https://github.com/pallets/werkzeug/releases/tag/2.2.3",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pallets/werkzeug/releases/tag/2.2.3"
        },
        {
          "url": "https://www.debian.org/security/2023/dsa-5470"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230818-0003/"
        }
      ],
      "source": {
        "advisory": "GHSA-xg9f-g7g7-2323",
        "discovery": "UNKNOWN"
      },
      "title": "Werkzeug may allow high resource usage when parsing multipart form data with many fields"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-25577",
    "datePublished": "2023-02-14T19:56:26.346Z",
    "dateReserved": "2023-02-07T17:10:00.742Z",
    "dateUpdated": "2024-08-02T11:25:19.228Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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