The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.
References
Link Resource
http://www.securityfocus.com/bid/104165 Third Party Advisory VDB Entry
https://efail.de Exploit Mitigation Third Party Advisory
https://news.ycombinator.com/item?id=17066419 Issue Tracking Third Party Advisory
https://pastebin.com/gNCc8aYm Third Party Advisory
https://twitter.com/matthew_d_green/status/996371541591019520 Third Party Advisory
https://www.synology.com/support/security/Synology_SA_18_22 Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2018-05-16T19:00:00

Updated: 2018-05-17T09:57:01

Reserved: 2017-12-15T00:00:00


Link: CVE-2017-17689

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2018-05-16T19:29:00.303

Modified: 2019-10-03T00:03:26.223


Link: CVE-2017-17689

JSON object: View

cve-icon Redhat Information

No data.