CVE-2017-17689
5.9
MEDIUM
CVSS 3.1
EPSS 0.45%
Description
The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.
How to fix CVE-2017-17689
To remediate CVE-2017-17689, upgrade the affected package to a fixed version below.
- Debian/evolution—no fix listed
- Debian/kf5-messagelib—upgrade to 4:18.08.1-1 or later
Is CVE-2017-17689 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- from 0, < 4:18.08.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |