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13.8_check_user_dot_file_perm.sh 13.9_set_perm_on_user_netrc.sh

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This commit is contained in:
thibault.dewailly 2016-04-16 18:32:09 +02:00
parent f82a438246
commit 83cd95756d
5 changed files with 160 additions and 1 deletions
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10
bin/hardening/13.7_check_user_dir_perm.sh
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@ -13,7 +13,6 @@ set -e # One error, it's over
set -u # One variable unset, it's over
ERRORS=0
PERMISSION="750"
# This function will be called if the script status is on enabled / audit mode
audit () {
@ -31,18 +30,27 @@ audit () {
dirperm=$(/bin/ls -ld $dir | cut -f1 -d" ")
if [ $(echo $dirperm | cut -c6 ) != "-" ]; then
crit "Group Write permission set on directory $dir"
ERRORS=$((ERRORS+1))
fi
if [ $(echo $dirperm | cut -c8 ) != "-" ]; then
crit "Other Read permission set on directory $dir"
ERRORS=$((ERRORS+1))
fi
if [ $(echo $dirperm | cut -c9 ) != "-" ]; then
crit "Other Write permission set on directory $dir"
ERRORS=$((ERRORS+1))
fi
if [ $(echo $dirperm | cut -c10 ) != "-" ]; then
crit "Other Execute permission set on directory $dir"
ERRORS=$((ERRORS+1))
fi
fi
done
if [ $ERRORS = 0 ]; then
ok "No incorrect permissions on home directories"
fi
}
# This function will be called if the script status is on enabled mode

77
bin/hardening/13.8_check_user_dot_file_perm.sh Executable file
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@ -0,0 +1,77 @@
#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 13.8 Check User Dot File Permissions (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
ERRORS=0
# This function will be called if the script status is on enabled / audit mode
audit () {
for DIR in $(cat /etc/passwd | egrep -v '(root|halt|sync|shutdown)' | awk -F: '($7 != "/usr/sbin/nologin" && $7 != "/bin/false" && $7 !="/nonexistent" ) { print $6 }'); do
debug "Working on $DIR"
for FILE in $DIR/.[A-Za-z0-9]*; do
if [ ! -h "$FILE" -a -f "$FILE" ]; then
FILEPERM=$(ls -ld $FILE | cut -f1 -d" ")
if [ $(echo $FILEPERM | cut -c6) != "-" ]; then
crit "Group Write permission set on FILE $FILE"
ERRORS=$((ERRORS+1))
fi
if [ $(echo $FILEPERM | cut -c9) != "-" ]; then
crit "Other Write permission set on FILE $FILE"
ERRORS=$((ERRORS+1))
fi
fi
done
done
if [ $ERRORS = 0 ]; then
ok "Dot file permission in users directories are correct"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
for DIR in $(cat /etc/passwd | egrep -v '(root|halt|sync|shutdown)' | awk -F: '($7 != "/usr/sbin/nologin" && $7 != "/bin/false" && $7 !="/nonexistent" ) { print $6 }'); do
for FILE in $DIR/.[A-Za-z0-9]*; do
if [ ! -h "$FILE" -a -f "$FILE" ]; then
FILEPERM=$(ls -ld $FILE | cut -f1 -d" ")
if [ $(echo $FILEPERM | cut -c6) != "-" ]; then
warn "Group Write permission set on FILE $FILE"
chmod g-w $FILE
fi
if [ $(echo $FILEPERM | cut -c9) != "-" ]; then
warn "Other Write permission set on FILE $FILE"
chmod o-w $FILE
fi
fi
done
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning FILE, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

70
bin/hardening/13.9_set_perm_on_user_netrc.sh Executable file
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@ -0,0 +1,70 @@
#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 13.8 Check User Dot File Permissions (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
ERRORS=0
PERMISSIONS="600"
# This function will be called if the script status is on enabled / audit mode
audit () {
for DIR in $(cat /etc/passwd | egrep -v '(root|halt|sync|shutdown)' | awk -F: '($7 != "/usr/sbin/nologin" && $7 != "/bin/false" && $7 !="/nonexistent" ) { print $6 }'); do
debug "Working on $DIR"
for FILE in $DIR/.netrc; do
if [ ! -h "$FILE" -a -f "$FILE" ]; then
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
crit "$FILE has not $PERMISSIONS permissions set"
fi
fi
done
done
}
# This function will be called if the script status is on enabled mode
apply () {
for DIR in $(cat /etc/passwd | egrep -v '(root|halt|sync|shutdown)' | awk -F: '($7 != "/usr/sbin/nologin" && $7 != "/bin/false" && $7 !="/nonexistent" ) { print $6 }'); do
debug "Working on $DIR"
for FILE in $DIR/.netrc; do
if [ ! -h "$FILE" -a -f "$FILE" ]; then
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
warn "$FILE has not $PERMISSIONS permissions set"
chmod 600 $FILE
fi
fi
done
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning FILE, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

2
etc/conf.d/13.8_check_user_dot_file_perm.cfg Normal file
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@ -0,0 +1,2 @@
# Configuration for script of same name
status=enabled

2
etc/conf.d/13.9_set_perm_on_user_netrc.cfg Normal file
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@ -0,0 +1,2 @@
# Configuration for script of same name
status=enabled