Vulnerability-Lookup

CNVD-2021-50097

Vulnerability from cnvd - Published: 2021-07-13

Title

Flask-User存在未明漏洞

Description

Flask-User是一个应用软件。可定制的用户认证和用户管理，注册、确认、登录、更改用户名、密码、忘记密码等。 Flask-User存在安全漏洞，该漏洞源于当使用\"make safe url\"函数时，攻击者可利用该漏洞通过提供多个反斜杠来绕过url验证并将用户重定向到任意url。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://github.com/lingthio/Flask-User

Reference

https://snyk.io/vuln/SNYK-PYTHON-FLASKUSER-1293188

Impacted products

Name
Flask-User Flask-User

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-23401"
    }
  },
  "description": "Flask-User\u662f\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u53ef\u5b9a\u5236\u7684\u7528\u6237\u8ba4\u8bc1\u548c\u7528\u6237\u7ba1\u7406\uff0c\u6ce8\u518c\u3001\u786e\u8ba4\u3001\u767b\u5f55\u3001\u66f4\u6539\u7528\u6237\u540d\u3001\u5bc6\u7801\u3001\u5fd8\u8bb0\u5bc6\u7801\u7b49\u3002\n\nFlask-User\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5f53\u4f7f\u7528\\\"make safe url\\\"\u51fd\u6570\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u63d0\u4f9b\u591a\u4e2a\u53cd\u659c\u6760\u6765\u7ed5\u8fc7url\u9a8c\u8bc1\u5e76\u5c06\u7528\u6237\u91cd\u5b9a\u5411\u5230\u4efb\u610furl\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://github.com/lingthio/Flask-User",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-50097",
  "openTime": "2021-07-13",
  "products": {
    "product": "Flask-User Flask-User"
  },
  "referenceLink": "https://snyk.io/vuln/SNYK-PYTHON-FLASKUSER-1293188",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-07",
  "title": "Flask-User\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2021-23401 (GCVE-0-2021-23401)

Vulnerability from cvelistv5 – Published: 2021-07-05 10:25 – Updated: 2024-09-16 17:15

Title

Open Redirect

Summary

This affects all versions of package Flask-User. When using the make_safe_url function, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as /////evil.com/path or \\\evil.com/path. This vulnerability is only exploitable if an alternative WSGI server other than Werkzeug is used, or the default behaviour of Werkzeug is modified using 'autocorrect_location_header=False.

Severity ?

5.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:U/RC:C

CWE

Open Redirect

Assigner

snyk

References

URL

Tags

	https://snyk.io/vuln/SNYK-PYTHON-FLASKUSER-1293188	x_refsource_MISC
	https://github.com/lingthio/Flask-User	x_refsource_MISC
	https://github.com/lingthio/Flask-User/blob/maste…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Flask-User	Affected: 0 , < unspecified (custom)

Credits

Noam Moshe of Claroty

Show details on NVD website

JSON

To clipboard

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            "url": "https://snyk.io/vuln/SNYK-PYTHON-FLASKUSER-1293188"
          },
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            "tags": [
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            "url": "https://github.com/lingthio/Flask-User/blob/master/flask_user/user_manager__utils.py"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "Flask-User",
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      "descriptions": [
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          "lang": "en",
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        }
      ],
      "metrics": [
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            "privilegesRequired": "NONE",
            "remediationLevel": "UNAVAILABLE",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 5.1,
            "temporalSeverity": "MEDIUM",
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      "providerMetadata": {
        "dateUpdated": "2021-07-05T10:25:11",
        "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
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      "references": [
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        },
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          "url": "https://github.com/lingthio/Flask-User/blob/master/flask_user/user_manager__utils.py"
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      "title": "Open Redirect",
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}

Sightings

Author	Source	Type	Date

Nomenclature

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2021-50097

CVE-2021-23401 (GCVE-0-2021-23401)

Tags

Sightings

Nomenclature