QID 982058

QID 982058: Python (pip) Security Update for Flask-Unchained (GHSA-pjc4-3w99-j7v4)

This affects the package Flask-Unchained before 0.9.0. When using the the _validate_redirect_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. 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 Medium - 5.4 severity.

CVSS V2 rated as Medium - 5.8 severity.

Solution

Customers are advised to refer to GHSA-pjc4-3w99-j7v4 for updates pertaining to this vulnerability.

Vendor References

GHSA-pjc4-3w99-j7v4 - github.com/advisories/GHSA-pjc4-3w99-j7v4

CVEs related to QID 982058

CVE-2021-23393 |

Software Advisories

Advisory ID	Software	Component	Link
GHSA-pjc4-3w99-j7v4	Flask-Unchained		github.com/advisories/GHSA-pjc4-3w99-j7v4

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