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diff --git a/security-blueprint/part-5/6-Utilities.md b/security-blueprint/part-5/6-Utilities.md deleted file mode 100644 index 309cbc4..0000000 --- a/security-blueprint/part-5/6-Utilities.md +++ /dev/null @@ -1,78 +0,0 @@ -# Utilities - -- **busybox**: Software that provides several stripped-down Unix tools in a - single executable file. Of course, it will be necessary to use a "production" - version of **busybox** in order to avoid all the tools useful only in - development mode. - -<!-- section-config --> - -Domain | `Tool` name | _State_ --------------------- | ----------- | ---------------------------------------------------------------------- -Platform-Utilities-1 | `busybox` | _Used_ to provide a number of tools. Do not compile development tools. - -<!-- end-section-config --> - -## Functionalities to exclude in production mode - -In production mode, a number of tools must be disabled to prevent an attacker -from finding logs for example. This is useful to limit the visible surface and -thus complicate the fault finding process. The tools used only in development -mode are marked by an '**agl-devel**' feature. When building in production mode, -these tools will not be compiled. - -<!-- section-config --> - -Domain | `Utility` name and normal `path` | _State_ ---------------------- | ---------------------------------------------------- | ---------- -Platform-Utilities-1 | `chgrp` in `/bin/chgrp` | _Disabled_ -Platform-Utilities-2 | `chmod` in `/bin/chmod` | _Disabled_ -Platform-Utilities-3 | `chown` in `/bin/chown` | _Disabled_ -Platform-Utilities-4 | `dmesg` in `/bin/dmesg` | _Disabled_ -Platform-Utilities-5 | `Dnsdomainname` in `/bin/dnsdomainname` | _Disabled_ -Platform-Utilities-6 | `dropbear`, Remove "dropbear" from `/etc/init.d/rcs` | _Disabled_ -Platform-Utilities-7 | `Editors` in (vi) `/bin/vi` | _Disabled_ -Platform-Utilities-8 | `find` in `/bin/find` | _Disabled_ -Platform-Utilities-9 | `gdbserver` in `/bin/gdbserver` | _Disabled_ -Platform-Utilities-10 | `hexdump` in `/bin/hexdump` | _Disabled_ -Platform-Utilities-11 | `hostname` in `/bin/hostname` | _Disabled_ -Platform-Utilities-12 | `install` in `/bin/install` | _Disabled_ -Platform-Utilities-13 | `iostat` in `/bin/iostat` | _Disabled_ -Platform-Utilities-14 | `killall` in `/bin/killall` | _Disabled_ -Platform-Utilities-15 | `klogd` in `/sbin/klogd` | _Disabled_ -Platform-Utilities-16 | `logger` in `/bin/logger` | _Disabled_ -Platform-Utilities-17 | `lsmod` in `/sbin/lsmod` | _Disabled_ -Platform-Utilities-18 | `pmap` in `/bin/pmap` | _Disabled_ -Platform-Utilities-19 | `ps` in `/bin/ps` | _Disabled_ -Platform-Utilities-20 | `ps` in `/bin/ps` | _Disabled_ -Platform-Utilities-21 | `rpm` in `/bin/rpm` | _Disabled_ -Platform-Utilities-22 | `SSH` | _Disabled_ -Platform-Utilities-23 | `stbhotplug` in `/sbin/stbhotplug` | _Disabled_ -Platform-Utilities-24 | `strace` in `/bin/trace` | _Disabled_ -Platform-Utilities-25 | `su` in `/bin/su` | _Disabled_ -Platform-Utilities-26 | `syslogd` in (logger) `/bin/logger` | _Disabled_ -Platform-Utilities-27 | `top` in `/bin/top` | _Disabled_ -Platform-Utilities-28 | `UART` in `/proc/tty/driver/` | _Disabled_ -Platform-Utilities-29 | `which` in `/bin/which` | _Disabled_ -Platform-Utilities-30 | `who` and `whoami` in `/bin/whoami` | _Disabled_ -Platform-Utilities-31 | `awk` (busybox) | _Enabled_ -Platform-Utilities-32 | `cut` (busybox) | _Enabled_ -Platform-Utilities-33 | `df` (busybox) | _Enabled_ -Platform-Utilities-34 | `echo` (busybox) | _Enabled_ -Platform-Utilities-35 | `fdisk` (busybox) | _Enabled_ -Platform-Utilities-36 | `grep` (busybox) | _Enabled_ -Platform-Utilities-37 | `mkdir` (busybox) | _Enabled_ -Platform-Utilities-38 | `mount` (vfat) (busybox) | _Enabled_ -Platform-Utilities-39 | `printf` (busybox) | _Enabled_ -Platform-Utilities-40 | `sed` in `/bin/sed` (busybox) | _Enabled_ -Platform-Utilities-41 | `tail` (busybox) | _Enabled_ -Platform-Utilities-42 | `tee` (busybox) | _Enabled_ -Platform-Utilities-43 | `test` (busybox) | _Enabled_ - -<!-- end-section-config --> <!-- section-note --> - -The _Enabled_ Unix/Linux utilities above shall be permitted as they are often -used in the start-up scripts and for USB logging. If any of these utilities are -not required by the device then those should be removed. - -<!-- end-section-note --> |