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# ------------------------------------------------------------------------ # OWASP ModSecurity Core Rule Set ver.3.3.2 # Copyright (c) 2006-2020 Trustwave and contributors. All rights reserved. # # The OWASP ModSecurity Core Rule Set is distributed under # Apache Software License (ASL) version 2 # Please see the enclosed LICENSE file for full details. # ------------------------------------------------------------------------ # # -= Paranoia Level 0 (empty) =- (apply unconditionally) # SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 1" "id:953011,phase:3,pass,nolog,skipAfter:END-RESPONSE-953-DATA-LEAKAGES-PHP" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 1" "id:953012,phase:4,pass,nolog,skipAfter:END-RESPONSE-953-DATA-LEAKAGES-PHP" # # -= Paranoia Level 1 (default) =- (apply only when tx.executing_paranoia_level is sufficiently high: 1 or higher) # # # -=[ PHP Error Message Leakage ]=- # SecRule RESPONSE_BODY "@pmFromFile php-errors.data" \ "id:953100,\ phase:4,\ block,\ capture,\ t:none,\ msg:'PHP Information Leakage',\ logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\ tag:'application-multi',\ tag:'language-php',\ tag:'platform-multi',\ tag:'attack-disclosure',\ tag:'paranoia-level/1',\ tag:'OWASP_CRS',\ tag:'capec/1000/118/116',\ tag:'PCI/6.5.6',\ ctl:auditLogParts=+E,\ ver:'OWASP_CRS/3.3.2',\ severity:'ERROR',\ setvar:'tx.outbound_anomaly_score_pl1=+%{tx.error_anomaly_score}',\ setvar:'tx.anomaly_score_pl1=+%{tx.error_anomaly_score}'" # # -=[ PHP source code leakage ]=- # # Detect some common PHP keywords in output. # SecRule RESPONSE_BODY "@rx (?:\b(?:f(?:tp_(?:nb_)?f?(?:ge|pu)t|get(?:s?s|c)|scanf|write|open|read)|gz(?:(?:encod|writ)e|compress|open|read)|s(?:ession_start|candir)|read(?:(?:gz)?file|dir)|move_uploaded_file|(?:proc_|bz)open|call_user_func)|\$_(?:(?:pos|ge)t|session))\b" \ "id:953110,\ phase:4,\ block,\ capture,\ t:none,\ msg:'PHP source code leakage',\ logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\ tag:'application-multi',\ tag:'language-php',\ tag:'platform-multi',\ tag:'attack-disclosure',\ tag:'paranoia-level/1',\ tag:'OWASP_CRS',\ tag:'capec/1000/118/116',\ tag:'PCI/6.5.6',\ ctl:auditLogParts=+E,\ ver:'OWASP_CRS/3.3.2',\ severity:'ERROR',\ setvar:'tx.outbound_anomaly_score_pl1=+%{tx.error_anomaly_score}',\ setvar:'tx.anomaly_score_pl1=+%{tx.error_anomaly_score}'" # Detect the presence of the PHP open tag "<?" or "<?php" in output. # # To prevent false positives due to the short "<?" sequence, an attempt # is made to stop alerts in binary output. This is done by detecting # some common binary file format headers, such as gzip (\x1f\x8b\x08), # png (IHDR), mp3 (ID3), movie formats et cetera. # # Not supported by re2 (?!re). # SecRule RESPONSE_BODY "@rx <\?(?!xml)" \ "id:953120,\ phase:4,\ block,\ capture,\ t:none,\ msg:'PHP source code leakage',\ logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\ tag:'application-multi',\ tag:'language-php',\ tag:'platform-multi',\ tag:'attack-disclosure',\ tag:'paranoia-level/1',\ tag:'OWASP_CRS',\ tag:'capec/1000/118/116',\ tag:'PCI/6.5.6',\ ctl:auditLogParts=+E,\ ver:'OWASP_CRS/3.3.2',\ severity:'ERROR',\ chain" SecRule RESPONSE_BODY "!@rx (?:\x1f\x8b\x08|\b(?:(?:i(?:nterplay|hdr|d3)|m(?:ovi|thd)|r(?:ar!|iff)|(?:ex|jf)if|f(?:lv|ws)|varg|cws)\b|gif)|B(?:%pdf|\.ra)\b|^wOF[F2])" \ "capture,\ t:none,\ setvar:'tx.outbound_anomaly_score_pl1=+%{tx.error_anomaly_score}',\ setvar:'tx.anomaly_score_pl1=+%{tx.error_anomaly_score}'" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 2" "id:953013,phase:3,pass,nolog,skipAfter:END-RESPONSE-953-DATA-LEAKAGES-PHP" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 2" "id:953014,phase:4,pass,nolog,skipAfter:END-RESPONSE-953-DATA-LEAKAGES-PHP" # # -= Paranoia Level 2 =- (apply only when tx.executing_paranoia_level is sufficiently high: 2 or higher) # SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 3" "id:953015,phase:3,pass,nolog,skipAfter:END-RESPONSE-953-DATA-LEAKAGES-PHP" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 3" "id:953016,phase:4,pass,nolog,skipAfter:END-RESPONSE-953-DATA-LEAKAGES-PHP" # # -= Paranoia Level 3 =- (apply only when tx.executing_paranoia_level is sufficiently high: 3 or higher) # SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 4" "id:953017,phase:3,pass,nolog,skipAfter:END-RESPONSE-953-DATA-LEAKAGES-PHP" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 4" "id:953018,phase:4,pass,nolog,skipAfter:END-RESPONSE-953-DATA-LEAKAGES-PHP" # # -= Paranoia Level 4 =- (apply only when tx.executing_paranoia_level is sufficiently high: 4 or higher) # # # -= Paranoia Levels Finished =- # SecMarker "END-RESPONSE-953-DATA-LEAKAGES-PHP"