VULNERABILITY

Debian: CVE-2024-6844: python-flask-cors -- security update

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Debian: CVE-2024-6844: python-flask-cors -- security update

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:C/I:N/A:N)
Published
03/20/2025
Created
05/16/2025
Added
05/15/2025
Modified
05/15/2025

Description

A vulnerability in corydolphin/flask-cors version 4.0.1 allows for inconsistent CORS matching due to the handling of the '+' character in URL paths. The request.path is passed through the unquote_plus function, which converts the '+' character to a space ' '. This behavior leads to incorrect path normalization, causing potential mismatches in CORS configuration. As a result, endpoints may not be matched correctly to their CORS settings, leading to unexpected CORS policy application. This can cause unauthorized cross-origin access or block valid requests, creating security vulnerabilities and usability issues.

Solution(s)

  • no-fix-debian-deb-package

References

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