{"id":"CVE-2017-17847","details":"An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entire containing message, aka TBE-01-021. This is demonstrated by an e-mail message with an attachment that is a signed e-mail message in message/rfc822 format.","modified":"2026-04-16T06:24:20.123321458Z","published":"2017-12-27T17:08:19.873Z","references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html"},{"type":"WEB","url":"https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-security-announce/2017/msg00333.html"},{"type":"ADVISORY","url":"https://sourceforge.net/p/enigmail/bugs/709/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-4070"},{"type":"ADVISORY","url":"https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"1.9.9"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17847.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}