# ------------------------------------------------------------------------
# OWASP ModSecurity Core Rule Set ver.3.0.2
# Copyright (c) 2006-2016 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:PARANOIA_LEVEL "@lt 1" "phase:1,id:943011,nolog,pass,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION"
SecRule TX:PARANOIA_LEVEL "@lt 1" "phase:2,id:943012,nolog,pass,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION"
#
# -= Paranoia Level 1 (default) =- (apply only when tx.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:/* "(?i)(?:\.cookie\b.*?;\W*?(?:expires|domain)\W*?=|\bhttp-equiv\W+set-cookie\b)" \
	"msg:'Possible Session Fixation Attack: Setting Cookie Values in HTML',\
	phase:request,\
	rev:'2',\
	ver:'OWASP_CRS/3.0.0',\
	maturity:'9',\
	accuracy:'9',\
	severity:'CRITICAL',\
	t:none,t:urlDecodeUni,\
	capture,\
	ctl:auditLogParts=+E,\
	block,\
	id:943100,\
	tag:'application-multi',\
	tag:'language-multi',\
	tag:'platform-multi',\
	tag:'attack-fixation',\
	tag:'OWASP_CRS/WEB_ATTACK/SESSION_FIXATION',\
	tag:'WASCTC/WASC-37',\
	tag:'CAPEC-61',\
	logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
	setvar:'tx.msg=%{rule.msg}',\
	setvar:tx.session_fixation_score=+%{tx.critical_anomaly_score},\
	setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
	setvar:tx.%{rule.id}-OWASP_CRS/WEB_ATTACK/SESSION_FIXATION-%{matched_var_name}=%{tx.0}"


SecRule ARGS_NAMES "@rx ^(jsessionid|aspsessionid|asp.net_sessionid|phpsession|phpsessid|weblogicsession|session_id|session-id|cfid|cftoken|cfsid|jservsession|jwsession)$" \
	"msg:'Possible Session Fixation Attack: SessionID Parameter Name with Off-Domain Referer',\
	phase:request,\
	rev:'2',\
	ver:'OWASP_CRS/3.0.0',\
	maturity:'2',\
	accuracy:'7',\
	id:943110,\
	t:none,t:urlDecodeUni,t:lowercase,\
	capture,\
	ctl:auditLogParts=+E,\
	block,\
	severity:'CRITICAL',\
        tag:'application-multi',\
        tag:'language-multi',\
        tag:'platform-multi',\
        tag:'attack-fixation',\
	tag:'OWASP_CRS/WEB_ATTACK/SESSION_FIXATION',\
	tag:'WASCTC/WASC-37',\
	tag:'CAPEC-61',\
	logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
	chain"
		SecRule REQUEST_HEADERS:Referer	"^(?:ht|f)tps?://(.*?)\/" \
			"capture,\
			chain"
        			SecRule TX:1 "!@endsWith %{request_headers.host}" \
					"setvar:'tx.msg=%{rule.msg}',\
					setvar:tx.session_fixation_score=+%{tx.critical_anomaly_score},\
					setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
					setvar:tx.%{rule.id}-OWASP_CRS/WEB_ATTACK/SESSION_FIXATION-%{matched_var_name}=%{tx.0}"


SecRule ARGS_NAMES "@rx ^(jsessionid|aspsessionid|asp.net_sessionid|phpsession|phpsessid|weblogicsession|session_id|session-id|cfid|cftoken|cfsid|jservsession|jwsession)$" \
	"msg:'Possible Session Fixation Attack: SessionID Parameter Name with No Referer',\
	phase:request,\
	rev:'2',\
	ver:'OWASP_CRS/3.0.0',\
	maturity:'2',\
	accuracy:'7',\
	id:943120,\
	t:none,t:urlDecodeUni,t:lowercase,\
	capture,\
	ctl:auditLogParts=+E,\
	severity:'CRITICAL',\
	block,\
        tag:'application-multi',\
        tag:'language-multi',\
        tag:'platform-multi',\
        tag:'attack-fixation',\
	tag:'OWASP_CRS/WEB_ATTACK/SESSION_FIXATION',\
	tag:'WASCTC/WASC-37',\
	tag:'CAPEC-61',\
	logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
	chain"
		SecRule &REQUEST_HEADERS:Referer "@eq 0" \
			"setvar:'tx.msg=%{rule.msg}',\
			setvar:tx.session_fixation_score=+%{tx.critical_anomaly_score},\
			setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
			setvar:tx.%{rule.id}-OWASP_CRS/WEB_ATTACK/SESSION_FIXATION-%{matched_var_name}=%{tx.0}"




SecRule TX:PARANOIA_LEVEL "@lt 2" "phase:1,id:943013,nolog,pass,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION"
SecRule TX:PARANOIA_LEVEL "@lt 2" "phase:2,id:943014,nolog,pass,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION"
#
# -= Paranoia Level 2 =- (apply only when tx.paranoia_level is sufficiently high: 2 or higher)
#



SecRule TX:PARANOIA_LEVEL "@lt 3" "phase:1,id:943015,nolog,pass,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION"
SecRule TX:PARANOIA_LEVEL "@lt 3" "phase:2,id:943016,nolog,pass,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION"
#
# -= Paranoia Level 3 =- (apply only when tx.paranoia_level is sufficiently high: 3 or higher)
#



SecRule TX:PARANOIA_LEVEL "@lt 4" "phase:1,id:943017,nolog,pass,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION"
SecRule TX:PARANOIA_LEVEL "@lt 4" "phase:2,id:943018,nolog,pass,skipAfter:END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION"
#
# -= Paranoia Level 4 =- (apply only when tx.paranoia_level is sufficiently high: 4 or higher)
#



#
# -= Paranoia Levels Finished =-
#
SecMarker "END-REQUEST-943-APPLICATION-ATTACK-SESSION-FIXATION"