{"id":"CVE-2006-4436","details":"isakmpd in OpenBSD 3.8, 3.9, and possibly earlier versions, creates Security Associations (SA) with a replay window of size 0 when isakmpd acts as a responder during SA negotiation, which allows remote attackers to replay IPSec packets and bypass the replay protection.","modified":"2024-06-04T04:00:19Z","published":"2006-08-29T00:04:00Z","withdrawn":"2024-06-30T15:57:06.407641Z","references":[{"type":"FIX","url":"http://secunia.com/advisories/21652"},{"type":"ADVISORY","url":"http://secunia.com/advisories/21905"},{"type":"ADVISORY","url":"http://www.debian.org/security/2006/dsa-1175"},{"type":"FIX","url":"http://securitytracker.com/id?1016757"},{"type":"FIX","url":"http://www.securityfocus.com/bid/19712"},{"type":"WEB","url":"http://www.openbsd.org/errata.html#isakmpd"},{"type":"WEB","url":"http://www.openbsd.org/errata38.html#isakmpd"},{"type":"WEB","url":"http://www.osvdb.org/28194"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/28645"}],"affected":[{"package":{"name":"isakmpd","ecosystem":"Debian:10","purl":"pkg:deb/debian/isakmpd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20041012-4"}]}],"ecosystem_specific":{"urgency":"medium"},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2006-4436.json"}}],"schema_version":"1.7.3"}