Vulnerability in 9folders Nine
CVE-2017-17689
The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.041 (90.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.041 · change: -0.002
Affected products
Public proof-of-concept exploits
References
- news.ycombinator.com/item (Third Party Advisory, Issue Tracking)
- pastebin.com/gNCc8aYm (Third Party Advisory)
- www.securityfocus.com/bid/104165 (VDB Entry, Third Party Advisory, vdb-entry)
- twitter.com/matthew_d_green/status/996371541591019520 (Third Party Advisory)
- efail.de (Exploit, Third Party Advisory, Mitigation)
- www.synology.com/support/security/Synology_SA_18_22 (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-17689?
- CVE-2017-17689 is a medium-severity vulnerability in 9folders Nine. CVSS score: 5.9/10. Published 2018-05-16.
- How severe is CVE-2017-17689?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2017-17689 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.