Hi Guys,
running a hardening tool I stumpled about systemd own security analysis,
which doesn't look good:
$ systemd-analyze security
UNIT EXPOSURE PREDICATE HAPPY
NetworkManager.service 7.8 EXPOSED 🙁
abrt-journal-core.service 9.6 UNSAFE 😨
abrt-oops.service 9.6 UNSAFE 😨
abrt-xorg.service 9.6 UNSAFE 😨
abrtd.service 9.6 UNSAFE 😨
accounts-daemon.service 9.6 UNSAFE 😨
alsa-state.service 9.6 UNSAFE 😨
atd.service 9.6 UNSAFE 😨
auditd.service 8.7 EXPOSED 🙁
avahi-daemon.service 9.6 UNSAFE 😨
chronyd.service 8.9 EXPOSED 🙁
colord.service 8.8 EXPOSED 🙁
crond.service 9.6 UNSAFE 😨
cups.service 9.6 UNSAFE 😨
dbus-:[email protected] 9.6 UNSAFE 😨
dbus-broker.service 8.7 EXPOSED 🙁
dm-event.service 9.5 UNSAFE 😨
emergency.service 9.5 UNSAFE 😨
fail2ban.service 9.6 UNSAFE 😨
fcoe.service 9.6 UNSAFE 😨
flatpak-system-helper.service 9.6 UNSAFE 😨
gdm.service 9.8 UNSAFE 😨
[email protected] 9.6 UNSAFE 😨
irqbalance.service 6.2 MEDIUM 😐
iscsid.service 9.5 UNSAFE 😨
iscsiuio.service 9.5 UNSAFE 😨
libvirtd.service 9.6 UNSAFE 😨
lvm2-lvmpolld.service 9.5 UNSAFE 😨
mdmonitor.service 9.6 UNSAFE 😨
multipathd.service 9.5 UNSAFE 😨
network.service 9.6 UNSAFE 😨
nmb.service 9.6 UNSAFE 😨
nscd.service 9.6 UNSAFE 😨
ntpd.service 9.2 UNSAFE 😨
lines 1-35...skipping...
UNIT EXPOSURE PREDICATE HAPPY
NetworkManager.service 7.8 EXPOSED 🙁
abrt-journal-core.service 9.6 UNSAFE 😨
abrt-oops.service 9.6 UNSAFE 😨
abrt-xorg.service 9.6 UNSAFE 😨
abrtd.service 9.6 UNSAFE 😨
accounts-daemon.service 9.6 UNSAFE 😨
alsa-state.service 9.6 UNSAFE 😨
atd.service 9.6 UNSAFE 😨
auditd.service 8.7 EXPOSED 🙁
avahi-daemon.service 9.6 UNSAFE 😨
chronyd.service 8.9 EXPOSED 🙁
colord.service 8.8 EXPOSED 🙁
crond.service 9.6 UNSAFE 😨
cups.service 9.6 UNSAFE 😨
dbus-:[email protected] 9.6 UNSAFE 😨
dbus-broker.service 8.7 EXPOSED 🙁
dm-event.service 9.5 UNSAFE 😨
emergency.service 9.5 UNSAFE 😨
fail2ban.service 9.6 UNSAFE 😨
fcoe.service 9.6 UNSAFE 😨
flatpak-system-helper.service 9.6 UNSAFE 😨
gdm.service 9.8 UNSAFE 😨
[email protected] 9.6 UNSAFE 😨
irqbalance.service 6.2 MEDIUM 😐
iscsid.service 9.5 UNSAFE 😨
iscsiuio.service 9.5 UNSAFE 😨
libvirtd.service 9.6 UNSAFE 😨
lvm2-lvmpolld.service 9.5 UNSAFE 😨
mdmonitor.service 9.6 UNSAFE 😨
multipathd.service 9.5 UNSAFE 😨
network.service 9.6 UNSAFE 😨
nmb.service 9.6 UNSAFE 😨
nscd.service 9.6 UNSAFE 😨
ntpd.service 9.2 UNSAFE 😨
nvidia-powerd.service 9.6 UNSAFE 😨
plymouth-start.service 9.5 UNSAFE 😨
polkit.service $ systemd-analyze security
UNIT EXPOSURE PREDICATE HAPPY
NetworkManager.service 7.8 EXPOSED 🙁
abrt-journal-core.service 9.6 UNSAFE 😨
abrt-oops.service 9.6 UNSAFE 😨
abrt-xorg.service 9.6 UNSAFE 😨
abrtd.service 9.6 UNSAFE 😨
accounts-daemon.service 9.6 UNSAFE 😨
alsa-state.service 9.6 UNSAFE 😨
atd.service 9.6 UNSAFE 😨
auditd.service 8.7 EXPOSED 🙁
avahi-daemon.service 9.6 UNSAFE 😨
chronyd.service 8.9 EXPOSED 🙁
colord.service 8.8 EXPOSED 🙁
crond.service 9.6 UNSAFE 😨
cups.service 9.6 UNSAFE 😨
dbus-:[email protected] 9.6 UNSAFE 😨
dbus-broker.service 8.7 EXPOSED 🙁
dm-event.service 9.5 UNSAFE 😨
emergency.service 9.5 UNSAFE 😨
fail2ban.service 9.6 UNSAFE 😨
fcoe.service 9.6 UNSAFE 😨
flatpak-system-helper.service 9.6 UNSAFE 😨
gdm.service 9.8 UNSAFE 😨
[email protected] 9.6 UNSAFE 😨
irqbalance.service 6.2 MEDIUM 😐
iscsid.service 9.5 UNSAFE 😨
iscsiuio.service 9.5 UNSAFE 😨
libvirtd.service 9.6 UNSAFE 😨
lvm2-lvmpolld.service 9.5 UNSAFE 😨
mdmonitor.service 9.6 UNSAFE 😨
multipathd.service 9.5 UNSAFE 😨
network.service 9.6 UNSAFE 😨
nmb.service 9.6 UNSAFE 😨
nscd.service 9.6 UNSAFE 😨
ntpd.service 9.2 UNSAFE 😨
lines 1-35...skipping...
UNIT EXPOSURE PREDICATE HAPPY
NetworkManager.service 7.8 EXPOSED 🙁
abrt-journal-core.service 9.6 UNSAFE 😨
abrt-oops.service 9.6 UNSAFE 😨
abrt-xorg.service 9.6 UNSAFE 😨
abrtd.service 9.6 UNSAFE 😨
accounts-daemon.service 9.6 UNSAFE 😨
alsa-state.service 9.6 UNSAFE 😨
atd.service 9.6 UNSAFE 😨
auditd.service 8.7 EXPOSED 🙁
avahi-daemon.service 9.6 UNSAFE 😨
chronyd.service 8.9 EXPOSED 🙁
colord.service 8.8 EXPOSED 🙁
crond.service 9.6 UNSAFE 😨
cups.service 9.6 UNSAFE 😨
dbus-:[email protected] 9.6 UNSAFE 😨
dbus-broker.service 8.7 EXPOSED 🙁
dm-event.service 9.5 UNSAFE 😨
emergency.service 9.5 UNSAFE 😨
fail2ban.service 9.6 UNSAFE 😨
fcoe.service 9.6 UNSAFE 😨
flatpak-system-helper.service 9.6 UNSAFE 😨
gdm.service 9.8 UNSAFE 😨
[email protected] 9.6 UNSAFE 😨
irqbalance.service 6.2 MEDIUM 😐
iscsid.service 9.5 UNSAFE 😨
iscsiuio.service 9.5 UNSAFE 😨
libvirtd.service 9.6 UNSAFE 😨
lvm2-lvmpolld.service 9.5 UNSAFE 😨
mdmonitor.service 9.6 UNSAFE 😨
multipathd.service 9.5 UNSAFE 😨
network.service 9.6 UNSAFE 😨
nmb.service 9.6 UNSAFE 😨
nscd.service 9.6 UNSAFE 😨
ntpd.service 9.2 UNSAFE 😨
nvidia-powerd.service 9.6 UNSAFE 😨
plymouth-start.service 9.5 UNSAFE 😨
polkit.service 9.6 UNSAFE 😨
rasdaemon.service 9.6 UNSAFE 😨
rc-local.service 9.6 UNSAFE 😨
rescue.service 9.5 UNSAFE 😨
restorecond.service 9.6 UNSAFE 😨
rngd.service 9.6 UNSAFE 😨
rpcbind.service 9.5 UNSAFE 😨
rsyslog.service 9.6 UNSAFE 😨
rtkit-daemon.service 7.1 MEDIUM 😐
smb.service 9.6 UNSAFE 😨
sshd.service 9.6 UNSAFE 😨
switcheroo-control.service 7.6 EXPOSED 🙁
systemd-ask-password-console.service 9.4 UNSAFE 😨
systemd-ask-password-plymouth.service 9.5 UNSAFE 😨
systemd-ask-password-wall.service 9.4 UNSAFE 😨
systemd-initctl.service 9.4 UNSAFE 😨
systemd-journald.service 4.3 OK 🙂
systemd-logind.service 2.8 OK 🙂
systemd-machined.service 6.2 MEDIUM 😐
systemd-oomd.service 1.8 OK 🙂
systemd-rfkill.service 9.4 UNSAFE 😨
systemd-timesyncd.service 2.1 OK 🙂
systemd-udevd.service 6.7 MEDIUM 😐
udisks2.service 9.6 UNSAFE 😨
upower.service 2.4 OK 🙂
[email protected] 9.4 UNSAFE 😨
virtlockd.service 9.6 UNSAFE 😨
virtlogd.service 9.6 UNSAFE 😨
winbind.service 9.6 UNSAFE 😨
wpa_supplicant.service 9.6 UNSAFE 😨
9.6 UNSAFE 😨
rasdaemon.service 9.6 UNSAFE 😨
rc-local.service 9.6 UNSAFE 😨
rescue.service 9.5 UNSAFE 😨
restorecond.service 9.6 UNSAFE 😨
rngd.service 9.6 UNSAFE 😨
rpcbind.service 9.5 UNSAFE 😨
rsyslog.service 9.6 UNSAFE 😨
rtkit-daemon.service 7.1 MEDIUM 😐
smb.service 9.6 UNSAFE 😨
sshd.service 9.6 UNSAFE 😨
switcheroo-control.service 7.6 EXPOSED 🙁
systemd-ask-password-console.service 9.4 UNSAFE 😨
systemd-ask-password-plymouth.service 9.5 UNSAFE 😨
systemd-ask-password-wall.service 9.4 UNSAFE 😨
systemd-initctl.service 9.4 UNSAFE 😨
systemd-journald.service 4.3 OK 🙂
systemd-logind.service 2.8 OK 🙂
systemd-machined.service 6.2 MEDIUM 😐
systemd-oomd.service 1.8 OK 🙂
systemd-rfkill.service 9.4 UNSAFE 😨
systemd-timesyncd.service 2.1 OK 🙂
systemd-udevd.service 6.7 MEDIUM 😐
udisks2.service 9.6 UNSAFE 😨
upower.service 2.4 OK 🙂
[email protected] 9.4 UNSAFE 😨
virtlockd.service 9.6 UNSAFE 😨
virtlogd.service 9.6 UNSAFE 😨
winbind.service 9.6 UNSAFE 😨
wpa_supplicant.service 9.6 UNSAFE 😨
As an example:
-rw-r--r--. 1 root root 994 19. Aug 2021 upower.service
-rw-r--r--. 1 root root 177 29. Jan 2021 udisks.service
upower has severall restrictions set, udisks not even one of them.
Do those "insecure" units come from upstream projects, or is Fedora
lagging behind some patches?
Is there a way to find out, if missing restrictions options are a
problem for the service and if not, any way to tell that analyse tool
about it?
best regrads,
Marius
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