This affects all versions of package Flask-Security. When using the get_post_logout_redirect and get_post_login_redirect functions, 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. 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. **Note:** Flask-Security is not maintained anymore.
References
| Link | Resource |
|---|---|
| https://security.snyk.io/vuln/SNYK-PYTHON-FLASKSECURITY-1293234 | Exploit Third Party Advisory |
| https://github.com/mattupstate/flask-security | Product Third Party Advisory |
| https://snyk.io/blog/url-confusion-vulnerabilities/ | Technical Description Third Party Advisory |
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Configurations
Information
Published : 2022-08-02 07:15
Updated : 2022-08-09 05:47
NVD link : CVE-2021-23385
Mitre link : CVE-2021-23385
JSON object : View
CWE
CWE-601
URL Redirection to Untrusted Site ('Open Redirect')
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Products Affected
flask-security_project
- flask-security