Server : Apache/2.4.62 (Unix) OpenSSL/1.0.2k-fips System : Linux server1.richineiserver.com 3.10.0-1160.119.1.el7.x86_64 #1 SMP Tue Jun 4 14:43:51 UTC 2024 x86_64 User : fdshops ( 1003) PHP Version : 8.2.21 Disable Function : NONE Directory : /usr/share/lynis/include/ |
#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
# Copyright 2007-2013, Michael Boelen
# Copyright 2007-2021, CISOfy
#
# Website : https://cisofy.com
# Blog : http://linux-audit.com
# GitHub : https://github.com/CISOfy/lynis
#
# Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
# welcome to redistribute it under the terms of the GNU General Public License.
# See LICENSE file for usage of this software.
#
#################################################################################
#
# Software: PHP
#
#################################################################################
#
# Variables
PHPVERSION=""
InsertSection "PHP"
# Possible locations of php.ini
PHPINILOCS="${ROOTDIR}etc/php.ini ${ROOTDIR}etc/php.ini.default \
${ROOTDIR}etc/php/php.ini \
${ROOTDIR}etc/php5.5/php.ini \
${ROOTDIR}etc/php5.6/php.ini \
${ROOTDIR}etc/php7.0/php.ini \
${ROOTDIR}etc/php7.1/php.ini \
${ROOTDIR}etc/php7.2/php.ini \
${ROOTDIR}etc/php7.3/php.ini \
${ROOTDIR}etc/php7.4/php.ini \
${ROOTDIR}etc/php8.0/php.ini \
${ROOTDIR}etc/php8.1/php.ini \
${ROOTDIR}etc/php8.2/php.ini \
${ROOTDIR}etc/php/cgi-php5/php.ini \
${ROOTDIR}etc/php/cli-php5/php.ini \
${ROOTDIR}etc/php/apache2-php5/php.ini \
${ROOTDIR}etc/php/apache2-php5.5/php.ini \
${ROOTDIR}etc/php/apache2-php5.6/php.ini \
${ROOTDIR}etc/php/apache2-php7.0/php.ini \
${ROOTDIR}etc/php/apache2-php7.1/php.ini \
${ROOTDIR}etc/php/apache2-php7.2/php.ini \
${ROOTDIR}etc/php/apache2-php7.3/php.ini \
${ROOTDIR}etc/php/apache2-php7.4/php.ini \
${ROOTDIR}etc/php/apache2-php8.0/php.ini \
${ROOTDIR}etc/php/apache2-php8.1/php.ini \
${ROOTDIR}etc/php/apache2-php8.2/php.ini \
${ROOTDIR}etc/php/cgi-php5.5/php.ini \
${ROOTDIR}etc/php/cgi-php5.6/php.ini \
${ROOTDIR}etc/php/cgi-php7.0/php.ini \
${ROOTDIR}etc/php/cgi-php7.1/php.ini \
${ROOTDIR}etc/php/cgi-php7.2/php.ini \
${ROOTDIR}etc/php/cgi-php7.3/php.ini \
${ROOTDIR}etc/php/cgi-php7.4/php.ini \
${ROOTDIR}etc/php/cgi-php8.0/php.ini \
${ROOTDIR}etc/php/cgi-php8.1/php.ini \
${ROOTDIR}etc/php/cgi-php8.2/php.ini \
${ROOTDIR}etc/php/cli-php5.5/php.ini \
${ROOTDIR}etc/php/cli-php5.6/php.ini \
${ROOTDIR}etc/php/cli-php7.0/php.ini \
${ROOTDIR}etc/php/cli-php7.1/php.ini \
${ROOTDIR}etc/php/cli-php7.2/php.ini \
${ROOTDIR}etc/php/cli-php7.3/php.ini \
${ROOTDIR}etc/php/cli-php7.4/php.ini \
${ROOTDIR}etc/php/cli-php8.0/php.ini \
${ROOTDIR}etc/php/cli-php8.1/php.ini \
${ROOTDIR}etc/php/cli-php8.2/php.ini \
${ROOTDIR}etc/php/embed-php5.5/php.ini \
${ROOTDIR}etc/php/embed-php5.6/php.ini \
${ROOTDIR}etc/php/embed-php7.0/php.ini \
${ROOTDIR}etc/php/embed-php7.1/php.ini \
${ROOTDIR}etc/php/embed-php7.2/php.ini \
${ROOTDIR}etc/php/embed-php7.3/php.ini \
${ROOTDIR}etc/php/embed-php7.4/php.ini \
${ROOTDIR}etc/php/embed-php8.0/php.ini \
${ROOTDIR}etc/php/embed-php8.1/php.ini \
${ROOTDIR}etc/php/embed-php8.2/php.ini \
${ROOTDIR}etc/php/fpm-php8.2/php.ini \
${ROOTDIR}etc/php/fpm-php8.1/php.ini \
${ROOTDIR}etc/php/fpm-php8.0/php.ini \
${ROOTDIR}etc/php/fpm-php7.4/php.ini \
${ROOTDIR}etc/php/fpm-php7.3/php.ini \
${ROOTDIR}etc/php/fpm-php7.2/php.ini \
${ROOTDIR}etc/php/fpm-php7.1/php.ini \
${ROOTDIR}etc/php/fpm-php7.0/php.ini \
${ROOTDIR}etc/php/fpm-php5.5/php.ini \
${ROOTDIR}etc/php/fpm-php5.6/php.ini \
${ROOTDIR}etc/php5/cgi/php.ini \
${ROOTDIR}etc/php5/cli/php.ini \
${ROOTDIR}etc/php5/cli-php5.4/php.ini \
${ROOTDIR}etc/php5/cli-php5.5/php.ini \
${ROOTDIR}etc/php5/cli-php5.6/php.ini \
${ROOTDIR}etc/php5/apache2/php.ini \
${ROOTDIR}etc/php5/fpm/php.ini \
${ROOTDIR}private/etc/php.ini \
${ROOTDIR}etc/php/7.0/apache2/php.ini \
${ROOTDIR}etc/php/7.1/apache2/php.ini \
${ROOTDIR}etc/php/7.2/apache2/php.ini \
${ROOTDIR}etc/php/7.3/apache2/php.ini \
${ROOTDIR}etc/php/7.4/apache2/php.ini \
${ROOTDIR}etc/php/8.0/apache2/php.ini \
${ROOTDIR}etc/php/8.1/apache2/php.ini \
${ROOTDIR}etc/php/8.2/apache2/php.ini \
${ROOTDIR}etc/php/7.0/cli/php.ini \
${ROOTDIR}etc/php/7.0/fpm/php.ini \
${ROOTDIR}etc/php/7.1/cli/php.ini \
${ROOTDIR}etc/php/7.1/fpm/php.ini \
${ROOTDIR}etc/php/7.2/cli/php.ini \
${ROOTDIR}etc/php/7.2/fpm/php.ini \
${ROOTDIR}etc/php/7.3/cli/php.ini \
${ROOTDIR}etc/php/7.3/fpm/php.ini \
${ROOTDIR}etc/php/7.4/cli/php.ini \
${ROOTDIR}etc/php/7.4/fpm/php.ini \
${ROOTDIR}etc/php/8.0/cli/php.ini \
${ROOTDIR}etc/php/8.0/fpm/php.ini \
${ROOTDIR}etc/php/8.1/cli/php.ini \
${ROOTDIR}etc/php/8.1/fpm/php.ini \
${ROOTDIR}etc/php/8.2/cli/php.ini \
${ROOTDIR}etc/php/8.2/fpm/php.ini \
${ROOTDIR}var/www/conf/php.ini \
${ROOTDIR}usr/local/etc/php.ini \
${ROOTDIR}usr/local/lib/php.ini \
${ROOTDIR}usr/local/etc/php5/cgi/php.ini \
${ROOTDIR}usr/local/php54/lib/php.ini \
${ROOTDIR}usr/local/php56/lib/php.ini \
${ROOTDIR}usr/local/php70/lib/php.ini \
${ROOTDIR}usr/local/php71/lib/php.ini \
${ROOTDIR}usr/local/php72/lib/php.ini \
${ROOTDIR}usr/local/php73/lib/php.ini \
${ROOTDIR}usr/local/php74/lib/php.ini \
${ROOTDIR}usr/local/php80/lib/php.ini \
${ROOTDIR}usr/local/php81/lib/php.ini \
${ROOTDIR}usr/local/php82/lib/php.ini \
${ROOTDIR}usr/local/zend/etc/php.ini \
${ROOTDIR}usr/pkg/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php54/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php55/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php56/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php70/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php71/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php72/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php73/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php74/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php80/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php81/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php82/root/etc/php.ini \
${ROOTDIR}opt/alt/php44/etc/php.ini \
${ROOTDIR}opt/alt/php51/etc/php.ini \
${ROOTDIR}opt/alt/php52/etc/php.ini \
${ROOTDIR}opt/alt/php53/etc/php.ini \
${ROOTDIR}opt/alt/php54/etc/php.ini \
${ROOTDIR}opt/alt/php55/etc/php.ini \
${ROOTDIR}opt/alt/php56/etc/php.ini \
${ROOTDIR}opt/alt/php70/etc/php.ini \
${ROOTDIR}opt/alt/php71/etc/php.ini \
${ROOTDIR}opt/alt/php72/etc/php.ini \
${ROOTDIR}opt/alt/php73/etc/php.ini \
${ROOTDIR}opt/alt/php74/etc/php.ini \
${ROOTDIR}opt/alt/php80/etc/php.ini \
${ROOTDIR}opt/alt/php81/etc/php.ini \
${ROOTDIR}opt/alt/php82/etc/php.ini \
${ROOTDIR}etc/opt/remi/php56/php.ini \
${ROOTDIR}etc/opt/remi/php70/php.ini \
${ROOTDIR}etc/opt/remi/php71/php.ini \
${ROOTDIR}etc/opt/remi/php72/php.ini \
${ROOTDIR}etc/opt/remi/php73/php.ini \
${ROOTDIR}etc/opt/remi/php74/php.ini \
${ROOTDIR}etc/opt/remi/php80/php.ini \
${ROOTDIR}etc/opt/remi/php81/php.ini \
${ROOTDIR}etc/opt/remi/php82/php.ini"
# HEADS-UP: OpenBSD, last two releases are supported, and snapshots of -current
PHPINILOCS="${PHPINILOCS} \
${ROOTDIR}etc/php-5.6.ini \
${ROOTDIR}etc/php-7.0.ini \
${ROOTDIR}etc/php-7.1.ini \
${ROOTDIR}etc/php-7.2.ini \
${ROOTDIR}etc/php-7.3.ini \
${ROOTDIR}etc/php-7.4.ini \
${ROOTDIR}etc/php-8.0.ini \
${ROOTDIR}etc/php-8.1.ini \
${ROOTDIR}etc/php-8.2.ini"
PHPINIDIRS="${ROOTDIR}etc/php5/conf.d \
${ROOTDIR}etc/php/7.0/cli/conf.d \
${ROOTDIR}etc/php/7.1/cli/conf.d \
${ROOTDIR}etc/php/7.2/cli/conf.d \
${ROOTDIR}etc/php/7.3/cli/conf.d \
${ROOTDIR}etc/php/7.4/cli/conf.d \
${ROOTDIR}etc/php/8.0/cli/conf.d \
${ROOTDIR}etc/php/8.1/cli/conf.d \
${ROOTDIR}etc/php/8.2/cli/conf.d \
${ROOTDIR}etc/php/7.0/fpm/conf.d \
${ROOTDIR}etc/php/7.1/fpm/conf.d \
${ROOTDIR}etc/php/7.2/fpm/conf.d \
${ROOTDIR}etc/php/7.3/fpm/conf.d \
${ROOTDIR}etc/php/7.4/fpm/conf.d \
${ROOTDIR}etc/php/8.0/fpm/conf.d \
${ROOTDIR}etc/php/8.1/fpm/conf.d \
${ROOTDIR}etc/php/8.2/fpm/conf.d \
${ROOTDIR}etc/php.d \
${ROOTDIR}opt/cpanel/ea-php54/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php55/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php56/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php70/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php71/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php72/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php73/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php74/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php80/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php81/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php82/root/etc/php.d \
${ROOTDIR}opt/alt/php44/etc/php.d.all \
${ROOTDIR}opt/alt/php51/etc/php.d.all \
${ROOTDIR}opt/alt/php52/etc/php.d.all \
${ROOTDIR}opt/alt/php53/etc/php.d.all \
${ROOTDIR}opt/alt/php54/etc/php.d.all \
${ROOTDIR}opt/alt/php55/etc/php.d.all \
${ROOTDIR}opt/alt/php56/etc/php.d.all \
${ROOTDIR}opt/alt/php70/etc/php.d.all \
${ROOTDIR}opt/alt/php71/etc/php.d.all \
${ROOTDIR}opt/alt/php72/etc/php.d.all \
${ROOTDIR}opt/alt/php73/etc/php.d.all \
${ROOTDIR}opt/alt/php74/etc/php.d.all \
${ROOTDIR}opt/alt/php80/etc/php.d.all \
${ROOTDIR}opt/alt/php81/etc/php.d.all \
${ROOTDIR}opt/alt/php82/etc/php.d.all \
${ROOTDIR}usr/local/lib/php.conf.d \
${ROOTDIR}usr/local/php70/lib/php.conf.d \
${ROOTDIR}usr/local/php71/lib/php.conf.d \
${ROOTDIR}usr/local/php72/lib/php.conf.d \
${ROOTDIR}usr/local/php73/lib/php.conf.d \
${ROOTDIR}usr/local/php74/lib/php.conf.d \
${ROOTDIR}usr/local/php80/lib/php.conf.d \
${ROOTDIR}usr/local/php81/lib/php.conf.d \
${ROOTDIR}usr/local/php82/lib/php.conf.d"
# HEADS-UP: OpenBSD, last two releases are supported, and snapshots of -current
PHPINIDIRS="${PHPINIDIRS} \
${ROOTDIR}etc/php-5.6 \
${ROOTDIR}etc/php-7.0 \
${ROOTDIR}etc/php-7.1 \
${ROOTDIR}etc/php-7.2 \
${ROOTDIR}etc/php-7.3 \
${ROOTDIR}etc/php-7.4 \
${ROOTDIR}etc/php-8.0 \
${ROOTDIR}etc/php-8.1 \
${ROOTDIR}etc/php-8.2"
#
#################################################################################
#
# Test : PHP-2211
# Description : Check php.ini presence
Register --test-no PHP-2211 --weight L --network NO --category security --description "Check php.ini presence"
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: Checking for presence php.ini"
PHPINIFILE=""
PHPINI_ALLFILES=""
for FILE in ${PHPINILOCS}; do
LogText "Test: checking presence ${FILE}"
if [ -f ${FILE} ]; then
PHPINIFILE="${FILE}"
LogText "Result: Found php.ini file (${PHPINIFILE})"
LogText "Note: Adding file to php.ini array"
PHPINI_ALLFILES="${PHPINI_ALLFILES} ${PHPINIFILE}"
else
LogText "Result: file ${FILE} not found"
fi
done
# Check all known locations
for DIR in ${PHPINIDIRS}; do
FIND=$(ls ${DIR}/*.ini 2> /dev/null)
if [ -z "${FIND}" ]; then
LogText "Result: no files found for ${DIR}"
else
LogText "Result: found files in location ${DIR}, checking"
for FILE in ${FIND}; do
if [ -f ${FILE} ]; then
LogText "Result: file ${FILE} exists, adding to php.ini array"
PHPINI_ALLFILES="${PHPINI_ALLFILES} ${FILE}"
fi
done
fi
done
if [ -n "${PHPINIFILE}" ]; then
Display --indent 2 --text "- Checking PHP" --result "${STATUS_FOUND}" --color GREEN
LogText "Result: using single file ${PHPINIFILE} for main php.ini tests"
LogText "Result: using php.ini array ${PHPINI_ALLFILES} for further tests"
else
Display --indent 2 --text "- Checking PHP" --result "${STATUS_NOT_FOUND}" --color WHITE
LogText "Result: no php.ini file found"
fi
unset DIR FILE FIND
fi
#
#################################################################################
#
# Test : PHP-2320
# Description : Check php disable functions option
if [ -n "${PHPINI_ALLFILES}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PHP-2320 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check PHP disabled functions"
if [ ${SKIPTEST} -eq 0 ]; then
FOUND=0
for I in ${PHPINI_ALLFILES}; do
LogText "Test: Checking for PHP function hardening disabled_functions or suhosin.executor.func.blacklist in file ${I}"
FIND=$(${GREPBINARY} "^disable_functions.*=" ${I})
if [ -z "${FIND}" ]; then
LogText "Result: ${I}: disabled_functions not found"
else
LogText "Result: ${I}: found disabled_functions"
FOUND=1
fi
FIND=$(${GREPBINARY} "^suhosin.executor.func.blacklist=" ${I})
if [ -z "${FIND}" ]; then
LogText "Result: ${I}: suhosin.executor.func.blacklist not found"
else
LogText "Result: ${I}: found suhosin.executor.func.blacklist"
FOUND=1
fi
done
if [ ${FOUND} -eq 0 ]; then
LogText "Result: all PHP functions can be executed"
Display --indent 4 --text "- Checking PHP disabled functions" --result "${STATUS_NONE}" --color YELLOW
ReportSuggestion "${TEST_NO}" "Harden PHP by disabling risky functions"
LogText "Functions of interest to research/disable: chown, diskfreespace, disk_free_space, disk_total_space, dl, exec, escapeshellarg, escapeshellcmd, fileinode, highlight_file, max_execution_time, passthru, pclose, phpinfo, popen, proc_close, proc_open, proc_get_status, proc_nice, proc_open, proc_terminate, set_time_limit, shell_exec, show_source, system)"
AddHP 0 1
else
LogText "Result: one or more PHP functions are disabled/blacklisted"
Display --indent 4 --text "- Checking PHP disabled functions" --result "${STATUS_FOUND}" --color GREEN
AddHP 3 3
fi
fi
#
#################################################################################
#
# Test : PHP-2368
# Description : Check php register_globals option
# Notes : Don't test for it if PHP version is 5.4.0 or later (it has been removed)
if [ -n "${PHPINIFILE}" -a -n "${PHPVERSION}" -a -n "${GREPBINARY}" ]; then
if [ -f "${PHPINIFILE}" ]; then
FIND=$(echo ${PHPVERSION} | ${GREPBINARY} -E "^(4.|5.[0-3])")
if [ -z "${FIND}" ]; then
PREQS_MET="NO"; Debug "Found most likely PHP version 5.4.0 or higher (${PHPVERSION}) which does not use register_globals"
else
PREQS_MET="YES"; Debug "Found PHP version 4 or up to 5.3 (${FIND}) which we are going to scan"
fi
else
Debug "File php.ini (${PHPINIFILE}) not found"
fi
else
PREQS_MET="NO"
Debug "Skipping test: php.ini not found, or PHP version empty"
Debug "php.ini: ${PHPINIFILE}"
Debug "version: ${PHPVERSION}"
fi
Register --test-no PHP-2368 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check PHP register_globals option"
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: Checking PHP register_globals option"
FIND=$(${GREPBINARY} -E -i 'register_globals.*(on|yes|1)' ${PHPINIFILE} | ${GREPBINARY} -v '^;')
if [ -n "${FIND}" ]; then
Display --indent 4 --text "- Checking register_globals option" --result "${STATUS_WARNING}" --color RED
ReportWarning "${TEST_NO}" "PHP option register_globals option is turned on, which can be a risk for variable value overwriting"
ReportSuggestion "${TEST_NO}" "Change the register_globals line to: register_globals = Off"
LogText "Result: register_globals option is turned on, which can be a risk for variable value overwriting."
AddHP 1 2
else
Display --indent 4 --text "- Checking register_globals option" --result "${STATUS_OK}" --color GREEN
LogText "Result: No 'register_globals' found. Most likely it is in disabled state (0, no, or off), which is the default nowadays and considered the safe value."
ReportManual ${TEST_NO}:01
AddHP 2 2
fi
fi
#
#################################################################################
#
# Test : PHP-2372
# Description : Check PHP expose_php option
# Background : When this option is turned on, PHP will show its version number in the HTTP headers
# Notes : TODO - Extend test to check all PHP files
if [ -n "${PHPINI_ALLFILES}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PHP-2372 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check PHP expose_php option"
if [ ${SKIPTEST} -eq 0 ]; then
FOUND=0
for FILE in ${PHPINI_ALLFILES}; do
# Don't look at this setting in cli configuration
case "${FILE}" in
*/cli/*)
continue
;;
esac
LogText "Test: Checking file ${FILE}"
FIND=$(${GREPBINARY} -E -i 'expose_php.*(on|yes|1)' ${FILE} | ${GREPBINARY} -v '^;')
if HasData "${FIND}"; then
LogText "Result: found a a possible match on expose_php setting"
LogText "Data: ${FIND}"
FOUND=1
fi
done
if [ ${FOUND} -eq 1 ]; then
Display --indent 4 --text "- Checking expose_php option" --result "${STATUS_ON}" --color RED
ReportSuggestion "${TEST_NO}" "Turn off PHP information exposure" "expose_php = Off" "-"
Report "Result: expose_php option is turned on, which can expose useful information for an attacker"
AddHP 1 3
else
Display --indent 4 --text "- Checking expose_php option" --result "${STATUS_OFF}" --color GREEN
LogText "Result: Found 'expose_php' in disabled state (0, no, or off)"
AddHP 2 2
fi
fi
#
#################################################################################
#
# Test : PHP-2374
# Description : Check PHP enable_dl option
# Notes : Extend test to check all PHP files
if [ -n "${PHPINIFILE}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PHP-2374 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check PHP enable_dl option"
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: Checking PHP enable_dl option"
FIND=$(${GREPBINARY} -E -i 'enable_dl.*(on|yes|1)' ${PHPINIFILE} | ${GREPBINARY} -v '^;')
if [ -n "${FIND}" ]; then
Display --indent 4 --text "- Checking enable_dl option" --result "${STATUS_ON}" --color YELLOW
Report "Result: enable_dl option is turned on, which can be used to enable more modules dynamically and circumventing security controls"
ReportSuggestion "${TEST_NO}" "Change the enable_dl line to: enable_dl = Off, to disable dynamically loading new modules"
AddHP 0 1
else
Display --indent 4 --text "- Checking enable_dl option" --result "${STATUS_OFF}" --color GREEN
LogText "Result: Found 'enable_dl' in disabled state (not present, 0, no, or off)"
AddHP 2 2
fi
fi
#
#################################################################################
#
# Test : PHP-2376
# Description : Check PHP allow_url_fopen option
# Notes : Extend test to check all PHP files YYY
if [ -n "${PHPINIFILE}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PHP-2376 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check PHP allow_url_fopen option"
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: Checking PHP allow_url_fopen option"
FIND=$(${GREPBINARY} -E -i 'allow_url_fopen.*(off|no|0)' ${PHPINIFILE} | ${GREPBINARY} -v '^;')
if [ -z "${FIND}" ]; then
Display --indent 4 --text "- Checking allow_url_fopen option" --result "${STATUS_ON}" --color YELLOW
LogText "Result: allow_url_fopen option is turned on, which can be used for downloads via PHP and is a security risk"
ReportSuggestion "${TEST_NO}" "Change the allow_url_fopen line to: allow_url_fopen = Off, to disable downloads via PHP"
AddHP 0 1
else
Display --indent 4 --text "- Checking allow_url_fopen option" --result "${STATUS_OFF}" --color GREEN
LogText "Result: Found 'allow_url_fopen' in disabled state (0, no, or off)"
AddHP 2 2
fi
# TODO Check through all files
fi
#
#################################################################################
#
# Test : PHP-2378
# Description : Check PHP allow_url_include option
# Notes : Extend test to check all PHP files YYY
if [ -n "${PHPINIFILE}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PHP-2378 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check PHP allow_url_include option"
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: Checking PHP allow_url_include option"
FIND=$(${GREPBINARY} -E -i 'allow_url_include.*(off|no|0)' ${PHPINIFILE} | ${GREPBINARY} -v '^;')
if [ -z "${FIND}" ]; then
Display --indent 4 --text "- Checking allow_url_include option" --result "${STATUS_ON}" --color YELLOW
Report "Result: allow_url_include option is turned on, which can be used for downloads via PHP and is a risk"
ReportSuggestion "${TEST_NO}" "Change the allow_url_include line to: allow_url_include = Off, to disable downloads via PHP"
AddHP 0 1
else
Display --indent 4 --text "- Checking allow_url_include option" --result "${STATUS_OFF}" --color GREEN
LogText "Result: Found 'allow_url_include' in disabled state (0, no, or off)"
AddHP 2 2
fi
fi
#
#################################################################################
#
# - test disabled for time being, as newer suhosin7 work is not stable enough -
# Test : PHP-2379
# Description : Check PHP suhosin extension status
#if [ -n "${PHPINI_ALLFILES}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
#Register --test-no PHP-2379 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check PHP suhosin extension status"
#if [ ${SKIPTEST} -eq 0 ]; then
# FOUND=0
# SIMULATION=0
# MAJOR_VERSION=$(echo ${PHPVERSION} | ${GREPBINARY} -E "^7")
# if [ "${OS}" = "OpenBSD" ]; then
# FOUND=1 # On OpenBSD, Suhosin is hard linked into PHP
# SIMULATION=off
# else
# for I in ${PHPINI_ALLFILES}; do
# LogText "Test: Checking for PHP suhosin extension status in file ${I}"
# FIND=$(${GREPBINARY} -oP '^extension=.*?suhosin7?.so.*$' ${I})
# if [ -z "${FIND}" ]; then
# LogText "Result: ${I}: suhosin is not enabled"
# else
# LogText "Result: ${I}: suhosin is enabled"
# FOUND=1
# fi
# LogText "Test: Check Suhosin simulation mode status"
# SIMULATION=$(${GREPBINARY} -oP '^suhosin.simulation.*$' ${I} | ${CUTBINARY} -d= -f2 | ${GREPBINARY} -io 'off' | ${TRBINARY} '[:upper:]' '[:lower:]')
# if [ "${SIMULATION}" = "off" ]; then
# LogText "Result: ${I}: suhosin simulation mode is not active"
# else
# LogText "Result: ${I}: suhosin simulation mode is active"
# fi
# done
# fi
# # Check Suhosin for PHP 7
# if [ -n "${MAJOR_VERSION}" -a ${FOUND} -eq 1 ]; then
# LogText "Test: Check Suhosin for PHP 7 is not enabled"
# LogText "Result: Suhosin for PHP 7 is in alpha stage and should not be used in production"
# ReportSuggestion "${TEST_NO}" "Disable Suhosin for PHP 7"
# Display --indent 4 --text "- Checking PHP suhosin extension status" --result "${STATUS_WARNING}" --color RED
# Display --indent 6 --text "- Suhosin is enabled for PHP 7" --result "${STATUS_WARNING}" --color RED
# AddHP 0 1
# elif [ -n "${MAJOR_VERSION}" -a ${FOUND} -eq 0 ]; then
# LogText "Test: Check Suhosin for PHP 7 is not enabled"
# LogText "Result: Suhosin for PHP 7 is not enabled"
# Display --indent 4 --text "- Checking PHP suhosin extension status" --result "${STATUS_OK}" --color GREEN
# Display --indent 6 --text "- Suhosin is not enabled for PHP 7" --result "${STATUS_OK}" --color GREEN
# AddHP 1 1
# else
# if [ ${FOUND} -eq 0 ]; then
# LogText "Result: Suhosin extension is not enabled"
# Display --indent 4 --text "- Checking PHP suhosin extension status" --result "${STATUS_WARNING}" --color RED
# ReportSuggestion "${TEST_NO}" "Harden PHP by enabling suhosin extension"
# LogText "suhosin extension is not enabled"
# AddHP 0 1
# else
# LogText "Result: Suhosin extension is enabled"
# Display --indent 4 --text "- Checking PHP suhosin extension status" --result "${STATUS_OK}" --color GREEN
# AddHP 2 2
# fi
# if [ "${SIMULATION}" = "off" ]; then
# LogText "Result: Suhosin simulation mode is not active"
# Display --indent 6 --text "- Suhosin simulation mode status" --result "${STATUS_OK}" --color GREEN
# AddHP 2 2
# else
# LogText "Result: Suhosin simulation mode is active"
# Display --indent 6 --text "- Suhosin simulation mode status" --result "${STATUS_WARNING}" --color RED
# ReportSuggestion "${TEST_NO}" "Harden PHP by deactivating suhosin simulation mode"
# LogText "suhosin simulation mode is active"
# AddHP 0 1
# fi
# fi
#fi
#
#################################################################################
#
# Test : PHP-2382
# Description : Check listen option
# Background : https://github.com/CISOfy/lynis/issues/837
if [ -n "${PHPINI_ALLFILES}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no PHP-2382 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check PHP expose_php option"
if [ ${SKIPTEST} -eq 0 ]; then
FOUND=0
for FILE in ${PHPINI_ALLFILES}; do
# Don't look at this setting in cli configuration
case "${FILE}" in
*/cli/*)
continue
;;
esac
LogText "Test: Checking file ${FILE}"
FIND=$(${GREPBINARY} -E -i "^listen = [0-9]{1,5}$" ${FILE})
if HasData "${FIND}"; then
LogText "Result: found listen on just a port number"
LogText "Data: ${FIND}"
LogText "Note: when possible, limit access to just localhost, so it can't be accessed from outside"
FOUND=1
fi
done
if [ ${FOUND} -eq 1 ]; then
Display --indent 4 --text "- Checking listen option" --result "${STATUS_SUGGESTION}" --color YELLOW
#ReportSuggestion "${TEST_NO}" "Limit the listening of FastCGI to just localhost or a local socket" "listen = 127.0.0.1:9000" "-"
AddHP 1 3
else
Display --indent 4 --text "- Checking listen option" --result "${STATUS_OK}" --color GREEN
AddHP 2 2
fi
fi
#
#################################################################################
#
WaitForKeyPress
#
#================================================================================
# Lynis - Security Auditing and System Hardening for Linux and UNIX - https://cisofy.com