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CVE-2018-5407

Published: 15 November 2018

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'.

Notes

AuthorNote
mdeslaur
this is a hardware issue, but openssl did commit a workaround
in 1.1.1, 1.1.0i

Priority

Low

Cvss 3 Severity Score

4.7

Score breakdown

Status

Package Release Status
openssl
Launchpad, Ubuntu, Debian
bionic
Released (1.1.0g-2ubuntu4.3)
cosmic Not vulnerable
(1.1.1-1ubuntu2)
disco Not vulnerable
(1.1.1-1ubuntu2)
eoan Not vulnerable
(1.1.1-1ubuntu2)
focal Not vulnerable
(1.1.1-1ubuntu2)
groovy Not vulnerable
(1.1.1-1ubuntu2)
hirsute Not vulnerable
(1.1.1-1ubuntu2)
trusty
Released (1.0.1f-1ubuntu2.27)
upstream
Released (1.1.0i,1.1.1)
xenial
Released (1.0.2g-1ubuntu4.14)
Patches:
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=aab7c770353b1dc4ba045938c8fb446dd1c4531e (1.1.0)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=f06437c751d6f6ec7f4176518e2897f44dd58eb0 (1.1.0)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=33588c930d39d67d1128794dc7c85bae71af24ad (1.1.0)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=f916a735bcdce496cebc7653a8ad2e72b333405a (1.1.0)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=b43ad53119c0ac2ecfa6e4356210ccda57e0d16b (1.1.0)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=2172133d0dc58256bf776da074c0d1944fef15cb (1.1.0)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=cc39f9250957dfe6e9f1b62a4eca1863e8451483 (1.1.0)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=7b3e775a6a78650bbd3e8e19a5aa12981880402b (1.1.0)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=5eee95a54de6854e60886c8e662a902184b12d04 (1.1.0)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=875ba8b21ecc65ad9a6bdc66971e50461660fcbb (1.1.0)
upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=b18162a7c9bbfb57112459a4d6631fa258fd8c0c (1.0.2)
openssl098
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

xenial Does not exist

openssl1.0
Launchpad, Ubuntu, Debian
bionic
Released (1.0.2n-1ubuntu5.2)
cosmic
Released (1.0.2n-1ubuntu6.1)
disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 4.7
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N