{"schemaVersion":3,"id":"CVE-2017-17848","aliases":["UBUNTU-CVE-2017-17848","DEBIAN-CVE-2017-17848"],"status":"published","duplicateOf":null,"title":null,"description":"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.","dates":{"published":"2017-12-22T23:00:00.000Z","modified":"2024-08-05T21:06:48.930Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":10,"impact":6,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Debian","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":10,"impact":6,"computed":true}]},"epss":{"probability":0.01843,"percentile":0.78704,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01843},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01801,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01843,"percentile":0.78704}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01801,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01843,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01843,"percentile":0.78704}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-347","name":"Improper Verification of Cryptographic Signature","description":"The product does not verify, or incorrectly verifies, the cryptographic signature for data.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/347.html"}],"affected":[{"vendor":"debian","product":"enigmail","name":"enigmail","label":"enigmail","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/enigmail","purlType":"deb","versions":[{"text":"< 2:1.9.9-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:1.9.9-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"enigmail","name":"enigmail","label":"enigmail","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/enigmail","purlType":"deb","versions":[{"text":"< 2:1.9.9-0ubuntu0.14.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 2:1.9.9-0ubuntu0.16.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:1.9.9-0ubuntu0.14.04.1 | < 2:1.9.9-0ubuntu0.16.04.1","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"7.0","noFixRecorded":false,"fixedIn":null},{"text":"8.0","noFixRecorded":false,"fixedIn":null},{"text":"9.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.0 | 8.0 | 9.0","eol":{"isEol":true,"eolDate":"2018-05-31T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"7","label":"7 (Wheezy)","eolFrom":"2018-05-31T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"7.11"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"enigmail","product":"enigmail","name":"enigmail","label":"enigmail","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.9.9","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.9.9","eol":null,"hubHref":"/vendor/enigmail/enigmail"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://sourceforge.net/p/enigmail/bugs/709/","label":"sourceforge.net/p/enigmail/bugs/709/","hostname":"sourceforge.net","tags":["X Refsource MISC","Third Party Advisory","REPORT"]},{"url":"https://lists.debian.org/debian-security-announce/2017/msg00333.html","label":"lists.debian.org/debian-security-announce/2017/msg00333.html","hostname":"lists.debian.org","tags":["X Refsource MISC","Mailing List","Third Party Advisory","REPORT"]},{"url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html","label":"lists.debian.org/debian-lts-announce/2017/12/msg00021.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://www.debian.org/security/2017/dsa-4070","label":"www.debian.org/security/2017/dsa-4070","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN","Third Party Advisory","REPORT"]},{"url":"http://www.openwall.com/lists/oss-security/2019/04/30/4","label":"www.openwall.com/lists/oss-security/2019/04/30/4","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2019/Apr/38","label":"seclists.org/fulldisclosure/2019/Apr/38","hostname":"seclists.org","tags":["Mailing List","X Refsource FULLDISC","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html","label":"packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html","hostname":"packetstormsecurity.com","tags":["X Refsource MISC","Third Party Advisory","VDB Entry"]},{"url":"https://github.com/RUB-NDS/Johnny-You-Are-Fired","label":"github.com/RUB-NDS/Johnny-You-Are-Fired","hostname":"github.com","tags":["X Refsource MISC"]},{"url":"https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf","label":"github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf","hostname":"github.com","tags":["X Refsource MISC"]},{"url":"https://ubuntu.com/security/CVE-2017-17848","label":"ubuntu.com/security/CVE-2017-17848","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf","label":"enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf","hostname":"enigmail.net","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-17848","label":"www.cve.org/CVERecord?id=CVE-2017-17848","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-17848","label":"security-tracker.debian.org/tracker/CVE-2017-17848","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-1219-1","DSA-4070-1","MGASA-2017-0477"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2017-12-22T23:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T21:06:48.930Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T10:39:10.773Z","stale":false,"partial":false}}