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Renum 6.x files to comply with debian10 CIS
renamed: bin/hardening/6.2.7_users_valid_homedir.sh -> bin/hardening/6.2.3_users_valid_homedir.sh renamed: bin/hardening/6.2.3_remove_legacy_shadow_entries.sh -> bin/hardening/6.2.4_remove_legacy_shadow_entries.sh renamed: bin/hardening/6.2.4_remove_legacy_group_entries.sh -> bin/hardening/6.2.5_remove_legacy_group_entries.sh renamed: bin/hardening/6.2.5_find_0_uid_non_root_account.sh -> bin/hardening/6.2.6_find_0_uid_non_root_account.sh renamed: bin/hardening/6.2.6_sanitize_root_path.sh -> bin/hardening/6.2.7_sanitize_root_path.sh renamed: tests/hardening/6.2.7_users_valid_homedir.sh -> tests/hardening/6.2.3_users_valid_homedir.sh renamed: tests/hardening/6.2.3_remove_legacy_shadow_entries.sh -> tests/hardening/6.2.4_remove_legacy_shadow_entries.sh renamed: tests/hardening/6.2.4_remove_legacy_group_entries.sh -> tests/hardening/6.2.5_remove_legacy_group_entries.sh renamed: tests/hardening/6.2.5_find_0_uid_non_root_account.sh -> tests/hardening/6.2.6_find_0_uid_non_root_account.sh renamed: tests/hardening/6.2.6_sanitize_root_path.sh -> tests/hardening/6.2.7_sanitize_root_path.sh
This commit is contained in:
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bin/hardening/6.2.7_sanitize_root_path.sh
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100
bin/hardening/6.2.7_sanitize_root_path.sh
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#!/bin/bash
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# run-shellcheck
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#
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# CIS Debian Hardening
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#
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#
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# 6.2.7 Ensure root PATH Integrity (Scored)
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#
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# set path to the $PATH environnement variable if path is not defined
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# used in test
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[[ $path && ${path-x} ]] || path=$PATH
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set -e # One error, it's over
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set -u # One variable unset, it's over
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# shellcheck disable=2034
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HARDENING_LEVEL=2
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# shellcheck disable=2034
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DESCRIPTION="Ensure root path integrity."
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ERRORS=0
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# This function will be called if the script status is on enabled / audit mode
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audit() {
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if [ "$(echo "$path" | grep ::)" != "" ]; then
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crit "Empty Directory in PATH (::)"
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ERRORS=$((ERRORS + 1))
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fi
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if [ "$(echo "$path" | grep :$)" != "" ]; then
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crit "Trailing : in PATH $path"
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ERRORS=$((ERRORS + 1))
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fi
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FORMATTED_PATH=$(echo "$path" | sed -e 's/::/:/' -e 's/:$//' -e 's/:/ /g')
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# shellcheck disable=SC2086
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set -- $FORMATTED_PATH
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while [ "${1:-}" != "" ]; do
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if [ "$1" = "." ]; then
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crit "PATH contains ."
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ERRORS=$((ERRORS + 1))
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else
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if [ -d "$1" ]; then
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dirperm=$(stat -L -c "%A" "$1")
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dirown=$(stat -c "%U" "$1")
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if [ "$(echo "$dirperm" | cut -c6)" != "-" ]; then
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crit "Group Write permission set on directory $1"
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ERRORS=$((ERRORS + 1))
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fi
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if [ "$(echo "$dirperm" | cut -c9)" != "-" ]; then
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crit "Other Write permission set on directory $1"
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ERRORS=$((ERRORS + 1))
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fi
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if [ "$dirown" != "root" ]; then
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crit "$1 is not owned by root"
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ERRORS=$((ERRORS + 1))
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fi
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else
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crit "$1 is not a directory"
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ERRORS=$((ERRORS + 1))
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fi
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fi
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shift
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done
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if [ "$ERRORS" = 0 ]; then
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ok "root PATH is secure"
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply() {
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info "Editing items from PATH may seriously harm your system, report only here"
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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# shellcheck source=../../debian/default
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_ROOT_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_ROOT_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r "$CIS_ROOT_DIR"/lib/main.sh ]; then
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# shellcheck source=../../lib/main.sh
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. "$CIS_ROOT_DIR"/lib/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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