{"id":"UBUNTU-CVE-2012-1193","details":"The resolver in PowerDNS Recursor (aka pdns_recursor) 3.3 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a \"ghost domain names\" attack.","modified":"2025-07-16T07:02:08.513290Z","published":"2012-02-17T22:55:00Z","withdrawn":"2025-07-18T16:42:45Z","upstream":["CVE-2012-1193"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2012-1193"},{"type":"REPORT","url":"http://doc.powerdns.com/changelog.html#changelog-recursor-3.5"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2012-1193"}],"affected":[{"package":{"name":"pdns-recursor","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/pdns-recursor@3.5.3-1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.3-1"}]}],"versions":["3.3-3"],"ecosystem_specific":{"binaries":[{"binary_name":"pdns-recursor","binary_version":"3.5.3-1"},{"binary_name":"pdns-recursor-dbg","binary_version":"3.5.3-1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-1193.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}