1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577
|
#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
# Copyright (c) Michael Boelen, CISOfy, and many contributors.
#
# Website : https://cisofy.com
# Blog : https://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/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/php8.3/php.ini \
${ROOTDIR}etc/php8.4/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/apache2-php8.3/php.ini \
${ROOTDIR}etc/php/apache2-php8.4/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/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/cli-php8.3/php.ini \
${ROOTDIR}etc/php/cli-php8.4/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/embed-php8.3/php.ini \
${ROOTDIR}etc/php/embed-php8.4/php.ini \
${ROOTDIR}etc/php/fpm-php7.0/php.ini \
${ROOTDIR}etc/php/fpm-php7.1/php.ini \
${ROOTDIR}etc/php/fpm-php7.2/php.ini \
${ROOTDIR}etc/php/fpm-php7.3/php.ini \
${ROOTDIR}etc/php/fpm-php7.4/php.ini \
${ROOTDIR}etc/php/fpm-php8.0/php.ini \
${ROOTDIR}etc/php/fpm-php8.1/php.ini \
${ROOTDIR}etc/php/fpm-php8.2/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/8.3/apache2/php.ini \
${ROOTDIR}etc/php/8.4/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}etc/php/8.3/cli/php.ini \
${ROOTDIR}etc/php/8.3/fpm/php.ini \
${ROOTDIR}etc/php/8.4/cli/php.ini \
${ROOTDIR}etc/php/8.4/fpm/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}opt/alt/php83/etc/php.ini \
${ROOTDIR}opt/alt/php84/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/cpanel/ea-php83/root/etc/php.ini \
${ROOTDIR}opt/cpanel/ea-php84/root/etc/php.ini \
${ROOTDIR}private/etc/php.ini \
${ROOTDIR}var/www/conf/php.ini \
${ROOTDIR}usr/local/etc/php.ini \
${ROOTDIR}usr/local/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/php83/lib/php.ini \
${ROOTDIR}usr/local/php84/lib/php.ini \
${ROOTDIR}usr/local/zend/etc/php.ini \
${ROOTDIR}usr/pkg/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\
${ROOTDIR}etc/opt/remi/php83/php.ini \
${ROOTDIR}etc/opt/remi/php84/php.ini"
PHPINIDIRS="${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/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/8.3/fpm/conf.d \
${ROOTDIR}etc/php/8.4/fpm/conf.d \
${ROOTDIR}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/cpanel/ea-php83/root/etc/php.d \
${ROOTDIR}opt/cpanel/ea-php84/root/etc/php.d \
${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}opt/alt/php83/etc/php.d.all \
${ROOTDIR}opt/alt/php84/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 \
${ROOTDIR}usr/local/php83/lib/php.conf.d \
${ROOTDIR}usr/local/php84/lib/php.conf.d"
PHPINIDIRS="${PHPINIDIRS} \
${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 \
${ROOTDIR}etc/php-8.3 \
${ROOTDIR}etc/php-8.4"
#
#################################################################################
#
# 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
|