Vulnerability Details : CVE-2020-27187
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.
Products affected by CVE-2020-27187
- cpe:2.3:a:kde:partition_manager:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-27187
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-27187
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
References for CVE-2020-27187
-
https://security.gentoo.org/glsa/202011-03
KPMCore: Root privilege escalation (GLSA 202011-03) — Gentoo securityThird Party Advisory
-
https://github.com/KDE/partitionmanager/compare/v4.1.0...v4.2.0
Comparing v4.1.0...v4.2.0 · KDE/partitionmanager · GitHubRelease Notes;Third Party Advisory
-
https://kde.org/info/security/advisory-20201017-1.txt
Patch;Vendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1890199
1890199 – (CVE-2020-27187) CVE-2020-27187 kpmcore: kpmcore_externalcommand helper can be exploited in local privilege escalationIssue Tracking;Vendor Advisory
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