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{"bugzilla": {"description": "rubygem-actionpack: Possible Open Redirect Vulnerability in Action Pack", "id": "1957438", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1957438"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-601", "details": ["The actionpack ruby gem before 6.1.3.2 suffers from a possible open redirect vulnerability. Specially crafted Host headers in combination with certain \"allowed host\" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website. This is similar to CVE-2021-22881. Strings in config.hosts that do not have a leading dot are converted to regular expressions without proper escaping. This causes, for example, `config.hosts << \"sub.example.com\"` to permit a request with a Host header value of `sub-example.com`.", "A flaw was found in rubygem-actionpack. Specially crafted Host headers in combination with certain \"allowed host\" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website. The highest threat from this vulnerability is to data integrity."], "name": "CVE-2021-22903", "package_state": [{"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Not affected", "package_name": "cfme-amazon-smartstate", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Not affected", "package_name": "cfme-gemset", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "tfm-ror52-rubygem-actionpack", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "tfm-rubygem-actionpack", "product_name": "Red Hat Satellite 6"}], "public_date": "2021-05-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-22903\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-22903"], "threat_severity": "Low", "upstream_fix": "rubygem-actionpack 6.1.3.2"}