From a578e889ee1a9a8bb04b6d740e2f4edf26dabeed Mon Sep 17 00:00:00 2001
From: "thibault.dewailly" <thibault.dewailly@ovh.net>
Date: Tue, 5 Apr 2016 13:42:05 +0200
Subject: [PATCH] 2.17_sticky_bit_world_writable_folder.sh

---
 .../2.17_sticky_bit_world_writable_folder.sh  | 55 +++++++++++++++++++
 etc/conf.d/2.16_run_shm_noexec.cfg            |  2 +-
 .../2.17_sticky_bit_world_writable_folder.cfg |  2 +
 3 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100755 bin/hardening/2.17_sticky_bit_world_writable_folder.sh
 create mode 100644 etc/conf.d/2.17_sticky_bit_world_writable_folder.cfg

diff --git a/bin/hardening/2.17_sticky_bit_world_writable_folder.sh b/bin/hardening/2.17_sticky_bit_world_writable_folder.sh
new file mode 100755
index 0000000..99d8025
--- /dev/null
+++ b/bin/hardening/2.17_sticky_bit_world_writable_folder.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+#
+
+#
+# Hardening script skeleton replace this line with proper point treated
+#
+
+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 setuid is set on world writable Directories"
+    RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type d \( -perm -0002 -a ! -perm -1000 \) -print 2>/dev/null)
+    if [ ! -z "$RESULT" ]; then
+        crit "Some world writable directories are not on sticky bit mode !"
+        FORMATTED_RESULT=$(sed "s/ /\n/g" <<< $RESULT | sort | uniq | tr '\n' ' ')
+        crit "$FORMATTED_RESULT"
+    else
+        ok "All world writable directories have a sticky bit"
+    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 d \( -perm -0002 -a ! -perm -1000 \) -print 2>/dev/null)
+    if [ ! -z "$RESULT" ]; then
+        df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type d -perm -0002 2>/dev/null | xargs chmod a+t
+    else
+        ok "All world writable directories have a sticky bit, 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
diff --git a/etc/conf.d/2.16_run_shm_noexec.cfg b/etc/conf.d/2.16_run_shm_noexec.cfg
index e1e4502..acee522 100644
--- a/etc/conf.d/2.16_run_shm_noexec.cfg
+++ b/etc/conf.d/2.16_run_shm_noexec.cfg
@@ -1,2 +1,2 @@
 # Configuration for script of same name
-status=enabled
+status=disabled
diff --git a/etc/conf.d/2.17_sticky_bit_world_writable_folder.cfg b/etc/conf.d/2.17_sticky_bit_world_writable_folder.cfg
new file mode 100644
index 0000000..acee522
--- /dev/null
+++ b/etc/conf.d/2.17_sticky_bit_world_writable_folder.cfg
@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=disabled