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https://gitlab.com/kalilinux/packages/unix-privesc-check.git
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81 lines
2.6 KiB
Plaintext
81 lines
2.6 KiB
Plaintext
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#!/bin/sh
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# $Revision: 336 $
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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# (c) Tim Brown, 2012
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# <mailto:timb@nth-dimension.org.uk>
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# <http://www.nth-dimension.org.uk/> / <http://www.machine.org.uk/>
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#
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# Check for world-readable and world-writable permissions on devices files
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. lib/misc/device
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. lib/misc/file
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. lib/misc/stdio
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devices_permission_init () {
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stdio_message_log "devices_permission" "Starting at: `date`"
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}
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devices_permission_permissions () {
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device="${1}"
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mountpoint="`device_get_mountpoint \"${device}\"`"
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if [ -n "${mountpoint}" ]
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then
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message="mounted to ${mountpoint}"
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elif [ "`device_is_swap \"${device}\"`" -eq 1 ]
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then
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message="swap"
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else
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message="not mounted"
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fi
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file_show_non_symlink_perms " ${device}$" | while read filename permissions userid groupid
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do
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case "${permissions}" in
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???????rw?)
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stdio_message_warn "devices_permission" "device file ${filename} (${message}) is owned by user ${userid} (group ${groupid}) and is world-readable and world-writable (${permissions})"
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;;
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????????w?)
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stdio_message_warn "devices_permission" "device file ${filename} (${message}) is owned by user ${userid} (group ${groupid}) and is world-writable (${permissions})"
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;;
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???????r??)
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stdio_message_warn "devices_permission" "device file ${filename} (${message}) is owned by user ${userid} (group ${groupid}) and is world-readable (${permissions})"
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;;
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esac
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done
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}
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devices_permission_main () {
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device_list | while read device
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do
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if [ -h "${device}" ]
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then
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linkeddevice="`file_show_symlinked_filename \"${device}\"`"
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if [ -z "${linkeddevice}" ]
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then
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continue
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fi
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#stdio_message_debug "devices_permission" "device file ${device} is a symbolic link to ${linkeddevice}"
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devices_permission_permissions "${linkeddevice}"
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else
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devices_permission_permissions "${device}"
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fi
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done
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}
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devices_permission_fini () {
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stdio_message_log "devices_permission" "Ending at: `date`"
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}
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