CVE-2017-14609

NameCVE-2017-14609
DescriptionThe server daemons in Kannel 1.5.0 and earlier create a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill `cat /pathname`" command, as demonstrated by bearerbox.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: local)
Debian Bugs877361

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
kannel (PTS)jessie1.4.3-2vulnerable
stretch1.4.4-4vulnerable
buster, sid1.4.5-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
kannelsource(unstable)(unfixed)unimportant877361

Notes

https://redmine.kannel.org/issues/771
No real security issue in combination with start-stop-daemon from dpkg

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