CVE-2020-27187

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.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.12%

Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory kde.org

Affected: n/a n/a

References

Link	Tags
https://github.com/KDE/partitionmanager/compare/v4.1.0...v4.2.0	third party advisory release notes
https://kde.org/info/security/advisory-20201017-1.txt	patch vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1890199	issue tracking vendor advisory
https://security.gentoo.org/glsa/202011-03	third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-27187?: CVE-2020-27187 has been scored as a high severity vulnerability.
How to fix CVE-2020-27187?: To fix CVE-2020-27187, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-27187 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-27187 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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