OWASP ModSec CRS Paranoia Mode Sibling 960901
From OWASP
This page contains a proposal for a stricter rule-clone for ModSecurity CRS Paranoia Mode.
960901 : Invalid character in request
| RuleID 2.2.x | RuleID 3.0.0-rc1 (original Rule) | RuleID 3.0.0-rc1 (paranoid Rule) | Change | Whitelisting |
| 960901 | 920270 | 920271-920274 | Character byte range limited to 32-126. | none |
#
# [ Invalid character in request ]
#
# This is a paranoid sibling to 2.2.x Rule 960901.
# Byte range restrictions are now set to 32-126.
# For 3.0.0-rc1 rule, see 920270.
#
SecRule ARGS|ARGS_NAMES|REQUEST_HEADERS|!REQUEST_HEADERS:Referer "@validateByteRange 32-126" \
"phase:request,\
rev:'2',\
ver:'OWASP_CRS/3.0.0',\
maturity:'9',\
accuracy:'9',\
block,\
msg:'Invalid character in request',\
id:'XXXXXX',\
severity:'ERROR',\
t:none,t:urlDecodeUni,\
tag:'application-multi',\
tag:'language-multi',\
tag:'platform-multi',\
tag:'attack-protocol',\
tag:'OWASP_CRS/PROTOCOL_VIOLATION/EVASION',\
setvar:'tx.msg=%{rule.msg}',\
setvar:tx.anomaly_score=+%{tx.error_anomaly_score},\
setvar:tx.%{rule.id}-OWASP_CRS/PROTOCOL_VIOLATION/EVASION-%{matched_var_name}=%{matched_var}"