{"id":"CVE-2012-1192","aliases":["EUVD-2012-1220","GHSA-w9x7-rg7h-623x"],"status":"published","title":"The resolver in Unbound before 1.4.11 overwrites cached server names and TTL values in NS records...","description":"The resolver in Unbound before 1.4.11 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.","severity":{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01312,"percentile":0.70857,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2012-02-17T22:00:00Z","modified":"2026-06-16T23:39:13Z","products":[{"vendor":"unbound","product":"unbound"}],"references":[{"url":"https://www.isc.org/files/imce/ghostdomain_camera.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1192"},{"url":"https://github.com/advisories/GHSA-w9x7-rg7h-623x"}],"sources":{"cve":[{"id":"CVE-2012-1192","description":"The resolver in Unbound before 1.4.11 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.","status":"published","published":"2012-02-17T22:00:00Z","modified":"2024-09-16T18:08:20.003Z","updated_at":"2026-11-02T14:34:52.27879Z"}],"euvd":[{"id":"EUVD-2012-1220","description":"The resolver in Unbound before 1.4.11 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.","status":"published","published":"2012-02-17T22:00:00Z","modified":"2024-09-16T18:08:20Z","updated_at":"2026-11-03T00:55:35.370742Z"}],"ghsa":[{"id":"GHSA-w9x7-rg7h-623x","title":"The resolver in Unbound before 1.4.11 overwrites cached server names and TTL values in NS records...","description":"The resolver in Unbound before 1.4.11 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.","status":"published","published":"2022-05-17T05:33:19Z","modified":"2023-01-28T05:04:14Z","updated_at":"2026-11-02T14:44:08.177015Z"}],"nvd":[{"id":"CVE-2012-1192","description":"The resolver in Unbound before 1.4.11 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.","status":"published","published":"2012-02-17T22:55:00.697Z","modified":"2026-06-16T23:39:13.703Z","cvss":[{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:13.468343Z"}]}}