CVE-2018-16877
Publication date 17 April 2019
Last updated 25 August 2025
Ubuntu priority
Description
A flaw was found in the way pacemaker's client-server authentication was implemented in versions up to and including 2.0.0. A local attacker could use this flaw, and combine it with other IPC weaknesses, to achieve local privilege escalation.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| pacemaker | ||
| 18.04 LTS bionic |
Fixed 1.1.18-0ubuntu1.1
|
|
| 16.04 LTS xenial |
Fixed 1.1.14-2ubuntu1.6
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.8 · High
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3952-1
- Pacemaker vulnerabilities
- 23 April 2019