CVE-2018-5407

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'.

CVE-2018-5407 is fixed in 5 products on 2 platforms, first by libssl1.0.0 1.0.2n-1ubuntu5.2, released November 14, 2018. 2 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: Routine.

RoutineFixed on 2 platforms
CVSS
4.7
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0342
88th percentile

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'.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Node.js 6 6.17.0 Node.js 6 6.17.0 Feb 28, 2019
Linux
libssl1.0.0 · Ubuntu 18.04.6 LTS (bionic) 1.0.2n-1ubuntu5.2 libssl1.0.0 1.0.2n-1ubuntu5.2 Nov 14, 2018
libssl1.1 · Ubuntu 18.04.6 LTS (bionic) 1.1.0g-2ubuntu4.3 libssl1.1 1.1.0g-2ubuntu4.3 Nov 14, 2018
openssl · Ubuntu 18.04.6 LTS (bionic) 1.1.0g-2ubuntu4.3 openssl 1.1.0g-2ubuntu4.3 Nov 14, 2018
openssl1.0 · Ubuntu 18.04.6 LTS (bionic) 1.0.2n-1ubuntu5.2 openssl1.0 1.0.2n-1ubuntu5.2 Nov 14, 2018
No fix yet
Node.js 4 (Windows apps) No fix yet no-fix n/a
Node.js 8 (Windows apps) No fix yet no-fix n/a

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