{"id":"CVE-2009-3287","details":"lib/thin/connection.rb in Thin web server before 1.2.4 relies on the X-Forwarded-For header to determine the IP address of the client, which allows remote attackers to spoof the IP address and hide activities via a modified X-Forwarded-For header.","aliases":["GHSA-j24p-r6wx-r79w"],"modified":"2026-04-10T03:40:54.099221Z","published":"2009-09-22T10:30:00Z","references":[{"type":"FIX","url":"http://github.com/macournoyer/thin/commit/7bd027914c5ffd36bb408ef47dc749de3b6e063a"},{"type":"WEB","url":"http://github.com/macournoyer/thin/blob/master/CHANGELOG"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2009/09/12/1"}],"schema_version":"1.7.5"}