{"id":"CVE-2017-17848","details":"An issue was discovered in Enigmail before 1.9.9. In a variant of CVE-2017-17847, signature spoofing is possible for multipart/related messages because a signed message part can be referenced with a cid: URI but not actually displayed. In other words, the entire containing message appears to be signed, but the recipient does not see any of the signed text.","modified":"2026-04-16T06:22:51.291479475Z","published":"2017-12-27T17:08:19.920Z","references":[{"type":"WEB","url":"https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/04/30/4"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-security-announce/2017/msg00333.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-4070"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2019/Apr/38"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html"},{"type":"ADVISORY","url":"https://sourceforge.net/p/enigmail/bugs/709/"},{"type":"PACKAGE","url":"https://github.com/RUB-NDS/Johnny-You-Are-Fired"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17848.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"1.9.9"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}]}}],"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"}]}