# ------------------------------------------------------------------------ # OWASP ModSecurity Core Rule Set ver.3.3.9 # Copyright (c) 2006-2020 Trustwave and contributors. All rights reserved. # Copyright (c) 2021-2026 Core Rule Set project. 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:943011,phase:1,pass,nolog,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 1" "id:943012,phase:2,pass,nolog,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION" # # -= Paranoia Level 1 (default) =- (apply only when tx.executing_paranoia_level is sufficiently high: 1 or higher) # # # Session fixation # # -=[ References ]=- # http://projects.webappsec.org/Session-Fixation # http://projects.webappsec.org/w/page/13246960/Session%20Fixation # http://capec.mitre.org/data/definitions/61.html # SecRule REQUEST_COOKIES|!REQUEST_COOKIES:/__utm/|REQUEST_COOKIES_NAMES|ARGS_NAMES|ARGS|XML:/* "@rx (?i:\.cookie\b.*?;\W*?(?:expires|domain)\W*?=|\bhttp-equiv\W+set-cookie\b)" \ "id:943100,\ phase:2,\ block,\ capture,\ t:none,t:urlDecodeUni,\ msg:'Possible Session Fixation Attack: Setting Cookie Values in HTML',\ logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\ tag:'application-multi',\ tag:'language-multi',\ tag:'platform-multi',\ tag:'attack-fixation',\ tag:'paranoia-level/1',\ tag:'OWASP_CRS',\ tag:'capec/1000/225/21/593/61',\ ctl:auditLogParts=+E,\ ver:'OWASP_CRS/3.3.9',\ severity:'CRITICAL',\ setvar:'tx.session_fixation_score=+%{tx.critical_anomaly_score}',\ setvar:'tx.anomaly_score_pl1=+%{tx.critical_anomaly_score}'" SecRule ARGS_NAMES "@rx ^(?:jsessionid|aspsessionid|asp\.net_sessionid|phpsession|phpsessid|weblogicsession|session_id|session-id|cfid|cftoken|cfsid|jservsession|jwsession)$" \ "id:943110,\ phase:2,\ block,\ capture,\ t:none,t:urlDecodeUni,t:lowercase,\ msg:'Possible Session Fixation Attack: SessionID Parameter Name with Off-Domain Referer',\ logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\ tag:'application-multi',\ tag:'language-multi',\ tag:'platform-multi',\ tag:'attack-fixation',\ tag:'paranoia-level/1',\ tag:'OWASP_CRS',\ tag:'capec/1000/225/21/593/61',\ ver:'OWASP_CRS/3.3.9',\ severity:'CRITICAL',\ chain" SecRule REQUEST_HEADERS:Referer "@rx ^(?:ht|f)tps?://(.*?)\/" \ "capture,\ chain" SecRule TX:1 "!@endsWith %{request_headers.host}" \ "ctl:auditLogParts=+E,\ setvar:'tx.session_fixation_score=+%{tx.critical_anomaly_score}',\ setvar:'tx.anomaly_score_pl1=+%{tx.critical_anomaly_score}'" SecRule ARGS_NAMES "@rx ^(?:jsessionid|aspsessionid|asp\.net_sessionid|phpsession|phpsessid|weblogicsession|session_id|session-id|cfid|cftoken|cfsid|jservsession|jwsession)$" \ "id:943120,\ phase:2,\ block,\ capture,\ t:none,t:urlDecodeUni,t:lowercase,\ msg:'Possible Session Fixation Attack: SessionID Parameter Name with No Referer',\ logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\ tag:'application-multi',\ tag:'language-multi',\ tag:'platform-multi',\ tag:'attack-fixation',\ tag:'paranoia-level/1',\ tag:'OWASP_CRS',\ tag:'capec/1000/225/21/593/61',\ ver:'OWASP_CRS/3.3.9',\ severity:'CRITICAL',\ chain" SecRule &REQUEST_HEADERS:Referer "@eq 0" \ "ctl:auditLogParts=+E,\ setvar:'tx.session_fixation_score=+%{tx.critical_anomaly_score}',\ setvar:'tx.anomaly_score_pl1=+%{tx.critical_anomaly_score}'" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 2" "id:943013,phase:1,pass,nolog,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 2" "id:943014,phase:2,pass,nolog,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION" # # -= Paranoia Level 2 =- (apply only when tx.executing_paranoia_level is sufficiently high: 2 or higher) # SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 3" "id:943015,phase:1,pass,nolog,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 3" "id:943016,phase:2,pass,nolog,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION" # # -= Paranoia Level 3 =- (apply only when tx.executing_paranoia_level is sufficiently high: 3 or higher) # SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 4" "id:943017,phase:1,pass,nolog,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 4" "id:943018,phase:2,pass,nolog,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION" # # -= Paranoia Level 4 =- (apply only when tx.executing_paranoia_level is sufficiently high: 4 or higher) # # # -= Paranoia Levels Finished =- # SecMarker "END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION"