CVE-2021-23385

{"id": "CVE-2021-23385", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "report@snyk.io", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "published": "2022-08-02T14:15:10.017", "references": [{"url": "https://github.com/mattupstate/flask-security", "tags": ["Product", "Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00034.html", "source": "report@snyk.io"}, {"url": "https://security.snyk.io/vuln/SNYK-PYTHON-FLASKSECURITY-1293234", "tags": ["Exploit", "Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://snyk.io/blog/url-confusion-vulnerabilities/", "tags": ["Technical Description", "Third Party Advisory"], "source": "report@snyk.io"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-601"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Esto afecta a todas las versiones del paquete Flask-Security. Cuando son usadas las funciones get_post_logout_redirect y get_post_login_redirect, es posible omitirse la comprobaci\u00f3n de la URL y redirigir a un usuario a una URL arbitraria proporcionando m\u00faltiples barras diagonales traseras como \\\\\\Ndevil.com/path. Esta vulnerabilidad s\u00f3lo es explotable si es usado un servidor WSGI alternativo que no sea Werkzeug, o es modificado el comportamiento por defecto de Werkzeug usando \"autocorrect_location_header=False. **Nota:** Flask-Security ya no es mantenido"}], "lastModified": "2023-08-28T19:15:07.507", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:flask-security_project:flask-security:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A64C5EBD-CA0E-4C5C-A6DD-491E03BF261C"}], "operator": "OR"}]}], "sourceIdentifier": "report@snyk.io"}