DescriptionKDE KCron through 21.12.2 uses a temporary file in /tmp when saving, but reuses the filename during an editing session. Thus, someone watching it be created the first time could potentially intercept the file the following time, enabling that person to run unauthorized commands.
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
kcron (PTS)bullseye4:20.12.0-1vulnerable
sid, trixie, bookworm4:22.12.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bullseye] - kcron <no-dsa> (Minor issue)
[buster] - kcron <no-dsa> (Minor issue)
[stretch] - kcron <ignored> (Minor issue, too intrusive to backport) (followup fix)

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