CVE-2018-5407
4.7
MEDIUM
CVSS 3.1
EPSS 0.84%
Description
Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.
How to fix CVE-2018-5407
To remediate CVE-2018-5407, upgrade the affected package to a fixed version below.
- Alpine/openssl—upgrade to 1.0.2q-r0 or later
- Debian/openssl—upgrade to 1.1.1~~pre9-1 or later
Is CVE-2018-5407 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.0.2q-r0
- from 0, < 1.1.1~~pre9-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |