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a258f35f38
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261 Commits

Author SHA1 Message Date
Patrick Schleizer
a258f35f38
comment 2021-01-05 02:11:08 -05:00
Patrick Schleizer
b2b614ed2a
cover more folders in /usr/local 2020-12-06 04:15:52 -05:00
Patrick Schleizer
5bd267d774
refactoring 2020-12-06 04:10:50 -05:00
Patrick Schleizer
11cdce02a0
refactoring 2020-12-06 04:10:10 -05:00
Patrick Schleizer
f73c55f16c
/opt 
https://forums.whonix.org/t/suid-disabler-and-permission-hardener/7706/68
 2020-12-06 04:08:58 -05:00
Patrick Schleizer
c031f22995
SUID Disabler and Permission Hardener: introduce configuration option to disable all whitelists 
`whitelists_disable_all=true`
 2020-12-01 05:14:48 -05:00
Patrick Schleizer
b09cc0de6a
Revert "SUID Disabler and Permission Hardener: introduce configuration option to disable all whitelists" 
This reverts commit 36a471ebce.
 2020-12-01 05:10:26 -05:00
Patrick Schleizer
704f0500ba
fix, rename 40_default_whitelist_[...].conf to 25_default_whitelist_[...].conf 
since whitelist needs to be defined before SUID removal commands
 2020-12-01 05:03:16 -05:00
Patrick Schleizer
36a471ebce
SUID Disabler and Permission Hardener: introduce configuration option to disable all whitelists 
`whitelists_disable_all=true`
 2020-12-01 05:02:34 -05:00
Patrick Schleizer
318ab570aa
simplify disabling of SUID Disabler and Permission Hardener whitelist 
split `/etc/permission-hardening.d/30_default.conf` into multiple files

`/etc/permission-hardening.d/40_default_whitelist_[...].conf`

therefore make it easier to delete any whitelisted SUID binaries
 2020-12-01 04:28:15 -05:00
Patrick Schleizer
cf07e977bd
add /bin/pkexec exactwhitelist for consistency 
since there is already `/usr/bin/pkexec exactwhitelist`
 2020-11-29 09:09:42 -05:00
Patrick Schleizer
bb72c1278d
copyright 2020-11-05 06:36:39 -05:00
Patrick Schleizer
c1e0bb8310
shebang 2020-10-31 06:11:49 -04:00
Patrick Schleizer
3f656be574
chmod +x /etc/X11/Xsession.d/50panic_on_oops 
chmod +x /etc/X11/Xsession.d/50security-misc
 2020-10-31 05:48:10 -04:00
madaidan
06ffd5d220
Restrict access to debugfs 2020-09-28 19:21:20 +00:00
Patrick Schleizer
da1ac48cde
unblacklist squashfs as this would likely break Whonix-Host ISO 
https://github.com/Whonix/security-misc/pull/75#issuecomment-700044182
 2020-09-28 10:29:50 -04:00
Patrick Schleizer
4070133ed6
unblacklist vfat 
https://github.com/Whonix/security-misc/pull/75#issuecomment-695201068
 2020-09-28 10:25:57 -04:00
Patrick Schleizer
3684ab585e
Merge pull request #75 from flawedworld/patch-1 
Blacklist more modules (based on OpenSCAP for RHEL 8)
 2020-09-28 14:24:15 +00:00
Patrick Schleizer
ae90107e6d
Merge pull request #76 from flawedworld/patch-2 
Add IPv6 sysctl options and enforce kernel.perf_event_paranoid=3
 2020-09-28 14:23:42 +00:00
flawedworld
a813e7da07 Blacklist more modules 2020-09-19 20:46:19 +01:00
Patrick Schleizer
9239c8b807
Merge pull request #71 from onions-knight/patch-1 
Update thunar.xml
 2020-09-19 10:54:21 +00:00
flawedworld
8f7727e823
Add some IPv6 options 2020-09-18 23:36:30 +01:00
flawedworld
944fed3c45
Disallow kernel profiling by users without CAP_SYS_ADMIN 
It's the default on a lot of stuff, but still nice to have.
 2020-09-18 23:29:04 +01:00
Patrick Schleizer
7e267ab498
fix, allow group sudo and console to use consoles 
fix /etc/security/access-security-misc.conf syntax error

Thanks to @81a989 for the bug report!

https://forums.whonix.org/t/etc-security-hardening-console-lockdown-pam-access-access-conf/8592/31
 2020-08-03 08:12:19 -04:00
Patrick Schleizer
3cd7b144bb
move "kernel.printk = 3 3 3 3" to separate file /etc/sysctl.d/30_silent-kernel-printk.conf 
so package debug-misc can easily disable it

https://phabricator.whonix.org/T950
 2020-05-14 13:47:58 -04:00
Patrick Schleizer
6485df8126
Prevent kernel info leaks in console during boot. 
add kernel parameter `quiet loglevel=0`

https://phabricator.whonix.org/T950
 2020-04-23 12:26:31 -04:00
Patrick Schleizer
8d2e4b68dc
Prevent kernel info leaks in console during boot. 
By setting `kernel.printk = 3 3 3 3`.

https://phabricator.whonix.org/T950

Thanks to @madaidan for the suggestion!
 2020-04-16 08:00:31 -04:00
Patrick Schleizer
4898a9e753
fix, sysctl-initramfs: switch log to /run/initramfs/sysctl-initramfs-error.log 
since ephemeral, in RAM, not written to disk, no conflict with grub-live

https://forums.whonix.org/t/kernel-hardening/7296/435
 2020-04-16 07:54:33 -04:00
Patrick Schleizer
701da5f6cc
formatting 2020-04-16 07:24:44 -04:00
Patrick Schleizer
253578afdf
/etc/security/access-security-misc.conf white list ttyS0 etc. 
ttyS0 ttyS1 ttyS2 ttyS3 ttyS4 ttyS5 ttyS6 ttyS7 ttyS8 ttyS9

Thanks to @subpar_marlin for the bug report and helping to fix this!

https://forums.whonix.org/t/how-do-i-enter-the-whonix-shell-from-cli/7271/43

https://forums.whonix.org/t/etc-security-hardening/8592
 2020-04-13 06:50:32 -04:00
Patrick Schleizer
b3ce18f0f9
disable proc-hidepid by default because incompatible with pkexec 
and undo pkexec wrapper
 2020-04-12 16:54:10 -04:00
Patrick Schleizer
4429315291
disable proc-hidepid by default because incompatible with pkexec 
and undo pkexec wrapper
 2020-04-12 16:52:55 -04:00
Patrick Schleizer
938e929f39
add pkexec to suid default whitelist 
/usr/bin/pkexec exactwhitelist
/usr/bin/pkexec.security-misc-orig exactwhitelist
 2020-04-12 16:37:51 -04:00
Patrick Schleizer
565ff136e5
vm.swappiness=1 
import from swappiness-lowest

https://forums.whonix.org/t/vm-swappiness-1-set-swapiness-to-lowest-setting-still-useful-swappiness-lowest/9278
 2020-04-08 21:04:02 +00:00
Patrick Schleizer
72228946dc
fix etc/default/grub.d/40_kernel_hardening.cfg 
in Qubes if no kernel package is installed
 2020-04-08 16:46:11 +00:00
Patrick Schleizer
5c81e1f23f
import from anon-gpg-conf 2020-04-06 09:25:45 -04:00
Patrick Schleizer
a7f2a2a3b6
console lockdown: allow members of group sudo to use console 
https://forums.whonix.org/t/etc-security-hardening/8592

https://github.com/Whonix/security-misc/pull/74#issuecomment-607748407

https://www.whonix.org/wiki/Dev/Strong_Linux_User_Account_Isolation#Console_Lockdown
 2020-04-02 06:04:45 -04:00
Patrick Schleizer
7764ee0d20
comments 2020-04-02 05:58:16 -04:00
Patrick Schleizer
2ceea8d1fe
update copyright year 2020-04-01 08:49:59 -04:00
Patrick Schleizer
814f613a2f
When using systemd-nspawn (chroot) then login requires console 'console' to be permitted. 2020-03-31 07:08:25 -04:00
Patrick Schleizer
5f0dd8270b
consistent use of quotes 2020-03-21 14:14:35 -04:00
Patrick Schleizer
66ea1a3a12
minor 2020-03-21 14:14:15 -04:00
Patrick Schleizer
23bd7ead59
remove trailing space 2020-03-21 14:12:42 -04:00
madaidan
89ada11cf9
Only remount if already mounted read-only 2020-03-21 17:49:07 +00:00
madaidan
c8826d6702
Fix sysctl-initramfs logs 2020-03-21 17:15:25 +00:00
onions-knight
8dfdec1d3b
Update thunar.xml 
Adding Delete option for thunar on right mouse click (removed in Debian 10). See https://forums.whonix.org/t/whonix-host-calamares-branding-suggestion/7772/26
 2020-03-17 16:38:53 +00:00
madaidan
4d0de87f79
Disable unprivileged userfaultfd use again 2020-03-08 17:49:49 +00:00
madaidan
efb2683cfc
Hide unprivileged_userfaultfd error 2020-03-08 17:49:12 +00:00
Patrick Schleizer
284a491100
disable vm.unprivileged_userfaultfd=0 for now 
because broken

https://forums.whonix.org/t/kernel-hardening/7296/406

reverts "Restrict the userfaultfd() syscall to root as it can make heap sprays easier."

https://duasynt.com/blog/linux-kernel-heap-spray
 2020-03-08 08:07:10 -04:00
madaidan
6b64b36b01
Restrict the userfaultfd() syscall to root 2020-02-24 18:23:15 +00:00