CVE-2018-5407
Publication date 15 November 2018
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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'.
Status
Package | Ubuntu Release | Status |
---|---|---|
openssl | ||
20.04 LTS focal |
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 | ||
20.04 LTS focal | 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 | ||
20.04 LTS focal | Not in release | |
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
Patch details
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 |
References
Related Ubuntu Security Notices (USN)
- USN-3840-1
- OpenSSL vulnerabilities
- 6 December 2018