CVE-2020-27187
Publication date 26 October 2020
Last updated 26 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
An issue was discovered in KDE Partition Manager 4.1.0 before 4.2.0. The kpmcore_externalcommand helper contains a logic flaw in which the service invoking D-Bus is not properly checked. An attacker on the local machine can replace /etc/fstab, and execute mount and other partitioning related commands, while KDE Partition Manager is running. the mount command can then be used to gain full root privileges.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| kpmcore | 26.04 LTS resolute |
Not affected
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
7.8 · High
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
Other references
- https://kde.org/info/security/advisory-20201017-1.txt
- https://invent.kde.org/system/kpmcore/-/commit/c466c5db11b5cee546d1ec0594c2f1105a354fed (fix)
- https://invent.kde.org/system/kpmcore/-/commit/7ec4b611dcf822439b081613cca4184689266454 (removes KF5 5.73 dependency)
- https://bugzilla.redhat.com/show_bug.cgi?id=1890199
- https://www.cve.org/CVERecord?id=CVE-2020-27187