CVE-2020-14004

Name	CVE-2020-14004
Description	An issue was discovered in Icinga2 before v2.12.0-rc1. The prepare-dirs script (run as part of the icinga2 systemd service) executes chmod 2750 /run/icinga2/cmd. /run/icinga2 is under control of an unprivileged user by default. If /run/icinga2/cmd is a symlink, then it will by followed and arbitrary files can be changed to mode 2750 by the unprivileged icinga2 user.
Source	CVE (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 severity	medium
Debian Bugs	970252

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
icinga2 (PTS)	stretch	2.6.0-2+deb9u1	fixed
	buster	2.10.3-2+deb10u1	fixed
	bullseye, sid	2.12.1-1	fixed

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

Package	Type	Release	Fixed Version	Debian Bugs
icinga2	source	jessie	(not affected)
icinga2	source	stretch	(not affected)
icinga2	source	buster	2.10.3-2+deb10u1
icinga2	source	(unstable)	2.11.5-1	970252

Notes

[stretch] - icinga2 <not-affected> (prepare-dirs script not shipped)
[jessie] - icinga2 <not-affected> (prepare-dirs script not shipped)
https://www.openwall.com/lists/oss-security/2020/06/12/1
https://bugzilla.suse.com/show_bug.cgi?id=1172171
https://github.com/Icinga/icinga2/commit/2f0f2e8c355b75fa4407d23f85feea037d2bc4b6