QID 981719

QID 981719: Python (pip) Security Update for Flask-User (GHSA-4298-89hc-6rfv)

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.

Successful exploitation of this vulnerability may affect the confidentiality, integrity, and availability of the targeted user.

CVSS V3 rated as High - 6.1 severity.

CVSS V2 rated as Medium - 5.8 severity.

Solution

Customers are advised to refer to GHSA-4298-89hc-6rfv for updates pertaining to this vulnerability.

Vendor References

GHSA-4298-89hc-6rfv - github.com/advisories/GHSA-4298-89hc-6rfv

CVEs related to QID 981719

CVE-2021-23401 |

Software Advisories

Advisory ID	Software	Component	Link
GHSA-4298-89hc-6rfv	Flask-User		github.com/advisories/GHSA-4298-89hc-6rfv

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