DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
kpmcore (PTS)buster3.3.0-5fixed
sid, trixie, bookworm22.12.3-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
kpmcoresourcestretch(not affected)
kpmcoresourcebuster(not affected)


[buster] - kpmcore <not-affected> (kpmcore_externalcommand not yet present)
[stretch] - kpmcore <not-affected> (kpmcore_externalcommand not yet present) (fix) (removes KF5 5.73 dependency)

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