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CVE-2018-5407

Publication date 15 November 2018

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

4.7 · Medium

Score breakdown

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'.

Read the notes from the security team

Status

Package Ubuntu Release Status
openssl 21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Not affected
19.10 eoan
Not affected
19.04 disco
Not affected
18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 1.1.0g-2ubuntu4.3
16.04 LTS xenial
Fixed 1.0.2g-1ubuntu4.14
14.04 LTS trusty
Fixed 1.0.1f-1ubuntu2.27
openssl098 21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
openssl1.0 21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Not in release
18.10 cosmic
Fixed 1.0.2n-1ubuntu6.1
18.04 LTS bionic
Fixed 1.0.2n-1ubuntu5.2
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes

mdeslaur

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

Severity score breakdown

Parameter Value
Base score 4.7 · Medium
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