Patrick Schleizer
1ffa8e197e
speed up setuid removal by using find with '-perm /u=s,g=s'
...
https://forums.whonix.org/t/permission-hardening/8655/19
2019-12-20 10:31:26 -05:00
Patrick Schleizer
4cfdf2c65b
fix, re-enforce nosuid even if changed on the disk
2019-12-20 10:21:27 -05:00
Patrick Schleizer
e36868e675
output
2019-12-20 10:02:46 -05:00
Patrick Schleizer
50b8f65490
add sanity test: count if we really processed all files
2019-12-20 09:59:28 -05:00
Patrick Schleizer
55faa7b997
fix missing processing files bug
...
https://forums.whonix.org/t/permission-hardening/8655/16
2019-12-20 09:43:23 -05:00
Patrick Schleizer
fbe2479f48
count processed file system objects
...
to be able to verify if any were "forgotten"
2019-12-20 08:54:56 -05:00
Patrick Schleizer
195ea522f5
fix
2019-12-20 08:52:14 -05:00
Patrick Schleizer
6f8231be70
debugging
2019-12-20 08:51:55 -05:00
Patrick Schleizer
ed50f98010
output
2019-12-20 08:47:22 -05:00
Patrick Schleizer
6d30e3b4a2
do not remove suid from whitelisted binaries ever
...
https://forums.whonix.org/t/permission-hardening/8655/13
2019-12-20 08:13:23 -05:00
Patrick Schleizer
d5f1bd8dd2
fix mode sanity check
...
no longer use seq due to issue
https://forums.whonix.org/t/permission-hardening/8655/13
2019-12-20 08:02:30 -05:00
Patrick Schleizer
0ae3e689b5
comment
2019-12-20 06:35:02 -05:00
Patrick Schleizer
050f4d8b94
comment
2019-12-20 06:34:37 -05:00
Patrick Schleizer
36043fe5cc
comment
2019-12-20 06:33:41 -05:00
Patrick Schleizer
fb4254547b
comment
2019-12-20 06:32:04 -05:00
Patrick Schleizer
cca0908d9a
fix
2019-12-20 06:11:38 -05:00
Patrick Schleizer
e254b8b52d
fix
2019-12-20 06:09:17 -05:00
Patrick Schleizer
7f8b3c76de
output
2019-12-20 06:02:17 -05:00
Patrick Schleizer
071c64dc41
enable 'set -e'
2019-12-20 06:01:49 -05:00
Patrick Schleizer
b97c66707c
minor
2019-12-20 05:59:05 -05:00
Patrick Schleizer
17b4f12276
output
2019-12-20 05:58:42 -05:00
Patrick Schleizer
918cbb4e25
output
2019-12-20 05:51:25 -05:00
Patrick Schleizer
c8cf09a4cb
output
2019-12-20 05:50:16 -05:00
Patrick Schleizer
46466c12ad
parse drop-in config folder rather than only one config file
2019-12-20 05:49:11 -05:00
Patrick Schleizer
66fd31189d
improve output if set-user-id / set-group-id is set
2019-12-20 05:37:33 -05:00
Patrick Schleizer
af0f074987
remount /lib with nosuid,nodev
...
https://forums.whonix.org/t/re-mount-home-and-other-with-noexec-and-nosuid-among-other-useful-mount-options-for-better-security/7707/22
2019-12-20 05:27:11 -05:00
Patrick Schleizer
a135ae9400
use must manually enable permission-hardening.service
...
until development finished
2019-12-20 05:22:59 -05:00
Patrick Schleizer
fa6f1e1568
output
2019-12-20 05:19:39 -05:00
Patrick Schleizer
a26cb94bfd
globstar no longer required
2019-12-20 04:49:21 -05:00
Patrick Schleizer
c66e9abe18
comment
2019-12-20 04:48:57 -05:00
Patrick Schleizer
d1d0afff34
fix
...
fso: /lib/
usr/lib/security-misc/permission-hardening: line 19: /usr/bin/stat: Argument list too long
https://forums.whonix.org/t/kernel-hardening/7296/326
2019-12-20 04:48:02 -05:00
Patrick Schleizer
e74d2e4f94
output
2019-12-20 04:23:14 -05:00
Patrick Schleizer
eb86359033
refactoring
2019-12-20 04:20:05 -05:00
Patrick Schleizer
bb84fca184
refactoring
2019-12-20 04:08:46 -05:00
Patrick Schleizer
f92b414195
refactoring
2019-12-20 04:06:28 -05:00
Patrick Schleizer
4c44871e9d
comment
2019-12-20 04:02:05 -05:00
Patrick Schleizer
6876a2eaa8
comment
2019-12-20 04:01:40 -05:00
Patrick Schleizer
35c4fce61b
fix "dpkg-statoverride: warning: stripping trailing /"
2019-12-20 03:54:46 -05:00
Patrick Schleizer
9bd9012ab1
refactoring
2019-12-20 03:46:50 -05:00
Patrick Schleizer
55933f8876
refactoring
2019-12-20 03:43:36 -05:00
Patrick Schleizer
9e493a9f48
refactoring
2019-12-20 03:42:09 -05:00
Patrick Schleizer
b92a690c16
refactoring
2019-12-20 03:40:47 -05:00
Patrick Schleizer
98535e3a2b
refactoring
2019-12-20 03:39:25 -05:00
Patrick Schleizer
ecbba2fd61
refactoring
2019-12-20 03:38:39 -05:00
Patrick Schleizer
20b8a407ac
refactoring
2019-12-20 03:25:17 -05:00
Patrick Schleizer
6cd9eb44fb
refactoring
2019-12-20 03:24:07 -05:00
Patrick Schleizer
706dba104d
code simplification
2019-12-20 03:19:12 -05:00
Patrick Schleizer
01dd567f8b
fix, if fso has exactly the mode we want (not 3 instead of 4 string length), not need to reset it
2019-12-20 03:16:43 -05:00
Patrick Schleizer
4f65b0fc1e
refactoring
2019-12-20 03:13:27 -05:00
Patrick Schleizer
bfee6b60cb
comment
2019-12-20 03:11:11 -05:00
Patrick Schleizer
d64cdc1247
refactoring
2019-12-20 03:04:41 -05:00
Patrick Schleizer
7c5c65a6c1
comment
2019-12-20 03:04:13 -05:00
Patrick Schleizer
b31d8cd3fc
fix
2019-12-20 03:03:40 -05:00
Patrick Schleizer
c626290673
refactoring
2019-12-20 03:02:26 -05:00
Patrick Schleizer
d5ff1d6f28
refactoring
2019-12-20 03:00:39 -05:00
Patrick Schleizer
640ca1d24d
skip symlinks
...
https://forums.whonix.org/t/kernel-hardening/7296/323 ?
2019-12-20 02:57:57 -05:00
Patrick Schleizer
cc8f795799
comment
2019-12-20 02:47:04 -05:00
Patrick Schleizer
4e5b222a08
comment
2019-12-20 02:43:33 -05:00
Patrick Schleizer
fa895ee11e
refactoring
2019-12-20 02:40:42 -05:00
Patrick Schleizer
2c163bf439
check string length of permission variable
...
https://forums.whonix.org/t/kernel-hardening/7296/322
2019-12-20 02:39:53 -05:00
Patrick Schleizer
a89befd902
code simplification
2019-12-20 02:20:54 -05:00
Patrick Schleizer
72812da63f
comment
2019-12-20 02:16:32 -05:00
Patrick Schleizer
39a41cc27b
refactoring
2019-12-20 02:14:45 -05:00
Patrick Schleizer
2ed6452590
downgrade to info
2019-12-20 02:12:43 -05:00
Patrick Schleizer
a5e55dfcfc
quotes
2019-12-20 02:11:39 -05:00
Patrick Schleizer
3187cee4fb
output
2019-12-20 02:10:13 -05:00
Patrick Schleizer
5160b4c781
disable xtrace
2019-12-20 02:08:05 -05:00
Patrick Schleizer
27bfe95d25
add echo wrapper
2019-12-20 02:07:49 -05:00
Patrick Schleizer
a6988f3fb8
output
2019-12-20 02:06:31 -05:00
Patrick Schleizer
1819577b88
fix
2019-12-20 02:04:34 -05:00
Patrick Schleizer
278c60c5a0
exit non-zero if some line cannot be parsed
...
therefore make systemd notice this
therefore allow the sysadmin to notice this
2019-12-20 02:01:36 -05:00
Patrick Schleizer
66bcba8313
improve character whitelisting
2019-12-20 01:58:35 -05:00
Patrick Schleizer
8f14e808a9
send error messages to stderr
2019-12-20 01:32:49 -05:00
Patrick Schleizer
d8c9fac2e5
output
2019-12-20 01:32:08 -05:00
Patrick Schleizer
f19abaf627
refactoring
2019-12-20 01:31:37 -05:00
madaidan
3c2ca0257f
Support for removing SUID bits
2019-12-19 17:01:08 +00:00
Patrick Schleizer
4ca9fc5920
fix
2019-12-16 03:53:10 -05:00
Patrick Schleizer
f68efd53cf
remount /sys/kernel/security with nodev,nosuid[,noexec]
...
as suggested by @madaidan
http://forums.whonix.org/t/apparmor-for-complete-system-including-init-pid1-systemd-everything-full-system-mac-policy/8339/238
2019-12-16 03:52:09 -05:00
Patrick Schleizer
729fa26eca
use pam_acccess only for /etc/pam.d/login
...
remove "Allow members of group 'ssh' to login."
remove "+:ssh:ALL EXCEPT LOCAL"
2019-12-12 09:00:08 -05:00
Patrick Schleizer
b72eb30056
quotes
2019-12-09 02:32:05 -05:00
Patrick Schleizer
c258376b7e
use read (built-in) rather than awk (external)
2019-12-09 02:31:10 -05:00
Patrick Schleizer
02165201ab
read -r; refactoring
...
as per https://mywiki.wooledge.org/BashFAQ/001
2019-12-09 02:23:43 -05:00
Patrick Schleizer
7467252122
quotes
2019-12-09 02:22:16 -05:00
madaidan
61e19fa5f1
Create permission-hardening
2019-12-08 16:49:28 +00:00
Patrick Schleizer
50ac03363f
output
2019-12-08 03:18:32 -05:00
Patrick Schleizer
3bd0b3f837
notify when attempting to use ssh but user is member of group ssh
2019-12-08 03:10:41 -05:00
madaidan
6846a94327
Check for more locations of System.map
2019-12-07 19:38:12 +00:00
madaidan
668b6420de
Remove hyphen
2019-12-07 14:15:02 +00:00
Patrick Schleizer
9ba84f34c6
comment
2019-12-07 06:51:59 -05:00
Patrick Schleizer
dc1dfc8c20
output
2019-12-07 06:51:16 -05:00
Patrick Schleizer
532a1525c2
comment
2019-12-07 06:26:55 -05:00
Patrick Schleizer
14aa6c5077
comment
2019-12-07 06:26:23 -05:00
Patrick Schleizer
8b3f5a555b
add console lockdown to pam info output
2019-12-07 06:25:45 -05:00
Patrick Schleizer
5a4eda0d05
also support /usr/local/etc/remount-disable and /usr/local/etc/noexec
2019-12-07 01:53:33 -05:00
Patrick Schleizer
9b14f24d5e
refactoring
2019-12-06 11:17:32 -05:00
Patrick Schleizer
a6133f5912
output
2019-12-06 11:16:43 -05:00
Patrick Schleizer
c1ea35e2ef
output
2019-12-06 11:15:54 -05:00
Patrick Schleizer
4bec41379d
fix remount with noexec if /etc/noexec exists
2019-12-06 11:15:13 -05:00
Patrick Schleizer
470cad6e91
remount /home /tmp /dev/shm /run with nosuid,nodev (default) and noexec (opt-in)
...
https://forums.whonix.org/t/re-mount-home-and-other-with-noexec-and-nosuid-among-other-useful-mount-options-for-better-security/7707
2019-12-06 05:14:02 -05:00
Patrick Schleizer
aa5451c8cd
Lock user accounts after 50 rather than 100 failed login attempts.
...
https://forums.whonix.org/t/how-strong-do-linux-user-account-passwords-have-to-be-when-using-full-disk-encryption-fde-too/7698/19
2019-11-25 01:39:53 -05:00
Patrick Schleizer
fe1f1b73a7
load jitterentropy_rng kernel module for better entropy collection
...
https://www.whonix.org/wiki/Dev/Entropy
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=927972
https://forums.whonix.org/t/jitterentropy-rngd/7204
2019-11-23 11:20:32 +00:00
Patrick Schleizer
74293bcd2f
output
2019-11-05 01:59:25 -05:00
Patrick Schleizer
2b5b06b602
output
2019-11-05 01:59:19 -05:00
Patrick Schleizer
d6977becba
refactoring
2019-11-05 01:51:14 -05:00
Patrick Schleizer
daf0006795
comment
2019-11-05 01:50:27 -05:00
Patrick Schleizer
203d5cfa68
copyright
2019-10-31 11:19:44 -04:00
Patrick Schleizer
d4e02de43a
set SUDO_ASKPASS for pkexec wrapper when using sudo --askpass
2019-10-22 09:04:44 -04:00
Patrick Schleizer
343d9cc916
fix
2019-10-21 09:53:55 +00:00
Patrick Schleizer
40707e70db
Redirect calls for pkexec to lxqt-sudo because pkexec is incompatible with hidepid.
...
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=860040
https://forums.whonix.org/t/cannot-use-pkexec/8129
Thanks to AnonymousUser for the bug report!
2019-10-21 05:46:49 -04:00
Patrick Schleizer
a5045dc26e
set -e
2019-10-17 06:18:32 -04:00
Patrick Schleizer
4aba027566
syntax check
2019-10-17 06:12:36 -04:00
Patrick Schleizer
8b9aa8841a
fix
2019-10-17 06:11:01 -04:00
Patrick Schleizer
cfbd77040a
set "shopt -s nullglob" to avoid failing when folder /etc/hide-hardware-info.d
...
does not exist or is empty
2019-10-17 06:10:29 -04:00
Patrick Schleizer
b05663c5f6
shuffle
...
https://forums.whonix.org/t/restrict-hardware-information-to-root/7329/80
2019-10-17 06:08:55 -04:00
Patrick Schleizer
28a440091d
code simplification
2019-10-17 06:08:16 -04:00
Patrick Schleizer
3c4e261c20
remove trailing spaces
2019-10-17 06:05:23 -04:00
Patrick Schleizer
8a42c5b023
Merge pull request #34 from madaidan/whitelist
...
Add a whitelist for /sys and /proc/cpuinfo
2019-10-17 09:59:12 +00:00
madaidan
61f742304d
return 0
2019-10-16 19:46:59 +00:00
madaidan
ffba0e0179
Elaborate
2019-10-16 19:04:15 +00:00
madaidan
f08c03ab21
Restrict sysfs/cpuinfo if the whitelist is disabled
2019-10-16 15:39:23 +00:00
madaidan
6b78dbcd07
Add way to whitelist things
2019-10-15 20:57:02 +00:00
Patrick Schleizer
d2bc3a2a08
chmod +x usr/lib/security-misc/hide-hardware-info
2019-10-05 09:14:41 +00:00
madaidan
87917d2f03
Add licensing
2019-10-03 21:38:07 +00:00
madaidan
9449f5017a
Create hide-hardware-info
2019-10-03 20:45:14 +00:00
Patrick Schleizer
75258843e9
copyright
2019-09-16 13:03:43 +00:00
Patrick Schleizer
8e39cea876
comment
2019-09-16 13:03:25 +00:00
Patrick Schleizer
bac462f211
comment
2019-09-16 13:03:02 +00:00
Patrick Schleizer
bec680d4f3
pam_tally2-info: fix, do nothing when started as user "user"
...
xscreensaver runs as user "user", therefore pam_tally2 cannot function.
xscreensaver has its own failed login counter.
as user "user"
/sbin/pam_tally2 -u user
pam_tally2: Error opening /var/log/tallylog for update: Permission denied
/sbin/pam_tally2: Authentication error
https://askubuntu.com/questions/983183/how-lock-the-unlock-screen-after-wrong-password-attempts
https://forums.whonix.org/t/how-strong-do-linux-user-account-passwords-have-to-be-when-using-full-disk-encryption-fde-too/7698
2019-09-16 12:30:23 +00:00
Patrick Schleizer
0140df8668
virusforget
2019-08-19 08:43:28 +00:00
Patrick Schleizer
113ab42568
virusforget
2019-08-19 08:31:23 +00:00
Patrick Schleizer
416906d4f9
virusforget
2019-08-19 08:19:35 +00:00
Patrick Schleizer
2d867d9fee
virusforget
2019-08-19 08:10:18 +00:00
Patrick Schleizer
8e76e6b8b3
fix
2019-08-19 07:48:12 +00:00
Patrick Schleizer
3f068f77fe
keep cache folder outside of reach of user since even user can remove files
...
owned by root in its home folder
2019-08-19 07:47:20 +00:00
Patrick Schleizer
1fa1efa58e
credits
2019-08-19 07:22:09 +00:00
Patrick Schleizer
1e026a3ebb
initial development version of VirusForget
2019-08-18 22:50:44 +00:00
Patrick Schleizer
41b2819ec8
PAM: abort on locked password
...
to avoid needlessly bumping pam_tally2 counter
https://forums.whonix.org/t/restrict-root-access/7658/1
2019-08-17 10:33:47 +00:00
Patrick Schleizer
17cfcb63b6
code simplification; report locked account earlier
2019-08-16 10:50:56 -04:00
Patrick Schleizer
ff9bc1d7ea
informational output during PAM:
...
* Show failed and remaining password attempts.
* Document unlock procedure if Linux user account got locked.
* Point out, that there is no password feedback for `su`.
* Explain locked (root) account if locked.
* /usr/share/pam-configs/tally2-security-misc
* /usr/lib/security-misc/pam_tally2-info
2019-08-15 13:37:28 +00:00
Patrick Schleizer
547ba91d79
sanity test
2019-08-14 09:45:30 +00:00
Patrick Schleizer
799acad724
skip, if not a folder
2019-08-14 09:39:43 +00:00
Patrick Schleizer
6321ff5ad5
refactoring
2019-08-14 09:38:44 +00:00
Patrick Schleizer
f8c828b69a
output
2019-08-14 05:19:02 -04:00
Patrick Schleizer
e5da6d9699
copyright
2019-08-14 05:17:54 -04:00
Patrick Schleizer
1595789d7c
comment
2019-08-14 05:17:16 -04:00
Patrick Schleizer
21489111d1
run permission lockdown during pam
...
https://forums.whonix.org/t/change-default-umask/7416
2019-08-14 08:34:03 +00:00
Patrick Schleizer
dbea7d1511
add hook etc/kernel/postinst.d/30_remove-system-map to remove system.map
...
on kernel package upgrade;
self-document this package: during upgrade the following will be written
to stdout:
Setting up linux-image-4.19.0-5-amd64 (4.19.37-5+deb10u2) ...
/etc/kernel/postinst.d/30_remove-system-map:
removed '/boot/System.map-4.19.0-5-amd64
2019-08-14 07:22:14 +00:00
Patrick Schleizer
6af2d7facb
copyright
2019-07-13 18:12:25 +00:00
Patrick Schleizer
75f0ca565d
set -e
2019-07-13 18:12:04 +00:00
Patrick Schleizer
c389e13e1a
use pre.bsh
2019-07-13 17:59:49 +00:00
Patrick Schleizer
bea98474ba
chmod +x usr/lib/security-misc/panic-on-oops
2019-07-11 07:07:21 +00:00
madaidan
52c61011d4
Create panic-on-oops
2019-07-08 22:58:56 +00:00
Patrick Schleizer
a978fe1000
chmod +x usr/lib/security-misc/remove-system.map
2019-06-28 07:17:35 +00:00
madaidan
9392c8deb2
Update remove-system.map
2019-06-26 15:03:54 +00:00
madaidan
8ef0db17e6
Use a for loop to detect if System.map exists
2019-06-26 12:59:45 +00:00
madaidan
382e336f69
Create remove-system.map
2019-06-25 19:20:27 +00:00
Patrick Schleizer
6ba1fb70d2
port to debian buster
2019-04-05 14:06:00 -04:00
Patrick Schleizer
5b3fc2f6b9
update copyright
2018-01-29 15:22:05 +00:00
Patrick Schleizer
c3b6a44e97
update copyright
2018-01-29 15:15:17 +00:00
Patrick Schleizer
ff28f5932c
update copyright
2018-01-29 15:09:42 +00:00
Patrick Schleizer
f6bc188485
comment
2017-02-28 15:22:54 +01:00
Patrick Schleizer
18e23af784
cleanup
2017-02-27 23:59:37 +00:00
Patrick Schleizer
6195450eb2
No longer ignore duplicate apt sources in apt-get-wrapper.
...
No longer acceptable because these generate lots of noise in the terminal.
2017-02-27 23:57:04 +00:00
Patrick Schleizer
191918027c
adjust apt-get-wrapper for Debian stretch's apt-get
2017-02-27 23:43:02 +00:00
Patrick Schleizer
2130b4c654
use python rather than unbuffer
...
because unbuffer eats exit code when process is killed
2017-02-27 23:16:32 +00:00
Patrick Schleizer
cc351165dc
apt-get-wrapper:
...
- fix exit code handling
- code simplification
2017-02-27 19:36:38 +00:00
Patrick Schleizer
5653b7732a
fix, show progress during apt-get-wrapper
...
fix, propagate signals to apt-get child process
2017-02-26 23:57:17 +00:00
Patrick Schleizer
bddbba84a6
"$@"
2017-02-14 17:30:31 +00:00
Patrick Schleizer
9b0d3e34fc
add usr/lib/security-misc/apt-get-update-sanity-test
...
a CVE-2016-1252 sanity test script
2017-02-14 02:37:08 +00:00
Patrick Schleizer
90f175e117
double apt-get-update wrapper timeout from 120 to 240 seconds
...
since it takes a bit longer than 120 seconds for me on a fast connection
2017-02-08 14:26:26 +00:00
Patrick Schleizer
0cf6524f0f
apt-get-update: implement SIGINIT trap; hide 'ps' output
2016-12-25 02:33:44 +00:00
Patrick Schleizer
c4089d8d40
update path to /usr/lib/security-misc/apt-get-wrapper
2016-12-25 01:36:04 +00:00
Patrick Schleizer
7b01fb9341
remove obsolete comments
2016-12-25 01:35:17 +00:00
Patrick Schleizer
8160cfe1d7
moved apt-get-update and apt-get-wrapper from whonixcheck to security-misc
2016-12-25 01:29:31 +00:00