12.10_find_suid_files.sh 12.1_etc_passwd_permissions.sh 12.2_etc_shadow_permissions.sh 12.3_etc_group_permissions.sh 12.4_etc_passwd_ownership.sh 12.5_etc_shadow_ownership.sh 12.6_etc_group_ownership.sh 12.7_find_world_writable_file.sh 12.8_find_unowned_files.sh 12.9_find_ungrouped_files.sh

bin/hardening/12.10_find_suid_files.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 12.10 Find SUID System Executables (Not Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    info "Checking if there is suid files"
+    RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type f -perm -4000 -print)
+    for BINARY in $RESULT; do
+        if grep -q $BINARY <<< "$EXCEPTIONS"; then
+            debug "$BINARY is confirmed as an exception"
+            
+            RESULT=$(sed '!'"$BINARY"'!d' <<< $RESULT)
+        fi
+    done
+    if [ ! -z "$RESULT" ]; then
+        crit "Some world writable file are present"
+        FORMATTED_RESULT=$(sed "s/ /\n/g" <<< $RESULT | sort | uniq | tr '\n' ' ')
+        crit "$FORMATTED_RESULT"
+    else
+        ok "No world writable files found"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    info "Removing suid on valid binary may seriously harm your system, report only here"
+}
+
+# This function will check config parameters required
+check_config() {
+    # No param for this function
+    :
+}
+
+# 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

bin/hardening/12.1_etc_passwd_permissions.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 12.1 Verify Permissions on /etc/passwd (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+FILE='/etc/passwd'
+PERMISSIONS='644'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    has_file_correct_permissions $FILE $PERMISSIONS
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        crit "$FILE has not $PERMISSIONS permissions set"
+    fi 
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    has_file_correct_permissions $FILE $PERMISSIONS
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        info "fixing $FILE permissions to $PERMISSIONS"
+        chmod 0$PERMISSIONS $FILE
+    fi
+}
+
+# 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

bin/hardening/12.2_etc_shadow_permissions.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 12.2 Verify Permissions on /etc/shadow (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+FILE='/etc/shadow'
+PERMISSIONS='640'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    has_file_correct_permissions $FILE $PERMISSIONS
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        crit "$FILE has not $PERMISSIONS permissions set"
+    fi 
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    has_file_correct_permissions $FILE $PERMISSIONS
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        info "fixing $FILE permissions to $PERMISSIONS"
+        chmod 0$PERMISSIONS $FILE
+    fi
+}
+
+# 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

bin/hardening/12.3_etc_group_permissions.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 12.3 Verify Permissions on /etc/group (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+FILE='/etc/group'
+PERMISSIONS='644'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    has_file_correct_permissions $FILE $PERMISSIONS
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        crit "$FILE has not $PERMISSIONS permissions set"
+    fi 
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    has_file_correct_permissions $FILE $PERMISSIONS
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct permissions"
+    else
+        info "fixing $FILE permissions to $PERMISSIONS"
+        chmod 0$PERMISSIONS $FILE
+    fi
+}
+
+# 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

bin/hardening/12.4_etc_passwd_ownership.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 12.4 Verify User/Group Ownership on /etc/passwd (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+FILE='/etc/passwd'
+USER='root'
+GROUP='root'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    has_file_correct_ownership $FILE $USER $GROUP
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        crit "$FILE is not $USER:$GROUP ownership set"
+    fi 
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    has_file_correct_ownership $FILE $USER $GROUP
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        info "fixing $FILE ownership to $USER:$GROUP"
+        chown $USER:$GROUP $FILE
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    does_user_exist $USER
+    if [ $FNRET != 0 ]; then
+        crit "$USER does not exist"
+        exit 128
+    fi
+    does_group_exist $GROUP
+    if [ $FNRET != 0 ]; then
+        crit "$GROUP does not exist"
+        exit 128
+    fi
+    does_file_exist $FILE
+    if [ $FNRET != 0 ]; then
+        crit "$FILE does not exist"
+        exit 128
+    fi
+}
+
+# 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

bin/hardening/12.5_etc_shadow_ownership.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 12.5 Verify User/Group Ownership on /etc/shadow (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+FILE='/etc/shadow'
+USER='root'
+GROUP='shadow'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    has_file_correct_ownership $FILE $USER $GROUP
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        crit "$FILE is not $USER:$GROUP ownership set"
+    fi 
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    has_file_correct_ownership $FILE $USER $GROUP
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        info "fixing $FILE ownership to $USER:$GROUP"
+        chown $USER:$GROUP $FILE
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    does_user_exist $USER
+    if [ $FNRET != 0 ]; then
+        crit "$USER does not exist"
+        exit 128
+    fi
+    does_group_exist $GROUP
+    if [ $FNRET != 0 ]; then
+        crit "$GROUP does not exist"
+        exit 128
+    fi
+    does_file_exist $FILE
+    if [ $FNRET != 0 ]; then
+        crit "$FILE does not exist"
+        exit 128
+    fi
+}
+
+# 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

bin/hardening/12.6_etc_group_ownership.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 12.6 Verify User/Group Ownership on /etc/group (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+FILE='/etc/group'
+USER='root'
+GROUP='root'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    has_file_correct_ownership $FILE $USER $GROUP
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        crit "$FILE is not $USER:$GROUP ownership set"
+    fi 
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    has_file_correct_ownership $FILE $USER $GROUP
+    if [ $FNRET = 0 ]; then
+        ok "$FILE has correct ownership"
+    else
+        info "fixing $FILE ownership to $USER:$GROUP"
+        chown $USER:$GROUP $FILE
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    does_user_exist $USER
+    if [ $FNRET != 0 ]; then
+        crit "$USER does not exist"
+        exit 128
+    fi
+    does_group_exist $GROUP
+    if [ $FNRET != 0 ]; then
+        crit "$GROUP does not exist"
+        exit 128
+    fi
+    does_file_exist $FILE
+    if [ $FNRET != 0 ]; then
+        crit "$FILE does not exist"
+        exit 128
+    fi
+}
+
+# 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

bin/hardening/12.7_find_world_writable_file.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 12.7 Find World Writable Files (Not Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    info "Checking if there is world writable files"
+    RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type f -perm -0002 -print 2>/dev/null)
+    if [ ! -z "$RESULT" ]; then
+        crit "Some world writable file are present"
+        FORMATTED_RESULT=$(sed "s/ /\n/g" <<< $RESULT | sort | uniq | tr '\n' ' ')
+        crit "$FORMATTED_RESULT"
+    else
+        ok "No world writable files found"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type f -perm -0002 -print 2>/dev/null)
+    if [ ! -z "$RESULT" ]; then
+        warn "chmoding o-w all files in the system"
+        df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type f -perm -0002 -print 2>/dev/null|  xargs chmod o-w
+    else
+        ok "No world writable files found, nothing to apply"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    # No param for this function
+    :
+}
+
+# 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

bin/hardening/12.8_find_unowned_files.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 12.8 Find Un-owned Files and Directories (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+USER='root'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    info "Checking if there is unowned files"
+    RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -nouser -print 2>/dev/null)
+    if [ ! -z "$RESULT" ]; then
+        crit "Some world writable file are present"
+        FORMATTED_RESULT=$(sed "s/ /\n/g" <<< $RESULT | sort | uniq | tr '\n' ' ')
+        crit "$FORMATTED_RESULT"
+    else
+        ok "No world writable files found"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -nouser -ls 2>/dev/null)
+    if [ ! -z "$RESULT" ]; then
+        warn "chmowing all unowned files in the system"
+        df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -nouser -print 2>/dev/null | xargs chown $USER 
+    else
+        ok "No world writable files found, nothing to apply"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    # No param for this function
+    :
+}
+
+# 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

bin/hardening/12.9_find_ungrouped_files.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 12.9 Find Un-grouped Files and Directories (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+GROUP='root'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    info "Checking if there is unowned files"
+    RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -nogroup -print 2>/dev/null)
+    if [ ! -z "$RESULT" ]; then
+        crit "Some world writable file are present"
+        FORMATTED_RESULT=$(sed "s/ /\n/g" <<< $RESULT | sort | uniq | tr '\n' ' ')
+        crit "$FORMATTED_RESULT"
+    else
+        ok "No world writable files found"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -nogroup -ls 2>/dev/null)
+    if [ ! -z "$RESULT" ]; then
+        warn "chmowing all ungrouped files in the system"
+        df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -nogroup -print 2>/dev/null | xargs chgrp $GROUP
+    else
+        ok "No world writable files found, nothing to apply"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    # No param for this function
+    :
+}
+
+# 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

etc/conf.d/12.10_find_suid_files.cfg

@@ -0,0 +1,5 @@
+# Configuration for script of same name
+status=enabled
+
+# Put Here your valid suid binaries so that they do not appear during the audit
+EXCEPTIONS="/bin/mount /bin/ping /bin/ping6 /bin/su /bin/umount /usr/bin/chfn /usr/bin/chsh /usr/bin/fping /usr/bin/fping6 /usr/bin/gpasswd /usr/bin/mtr /usr/bin/newgrp /usr/bin/passwd /usr/bin/sudo /usr/bin/sudoedit /usr/lib/openssh/ssh-keysign /usr/lib/pt_chown"

etc/conf.d/12.1_etc_passwd_permissions.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled

etc/conf.d/12.2_etc_shadow_permissions.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled

etc/conf.d/12.3_etc_group_permissions.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled

etc/conf.d/12.4_etc_passwd_ownership.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled

etc/conf.d/12.5_etc_shadow_ownership.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled

etc/conf.d/12.6_etc_group_ownership.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled

etc/conf.d/12.7_find_world_writable_file.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled

etc/conf.d/12.8_find_unowned_files.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled

etc/conf.d/12.9_find_ungrouped_files.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled