10000 fix: 942440 chained rule regex by theMiddleBlue · Pull Request #3290 · coreruleset/coreruleset · GitHub
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fix: 942440 chained rule regex #3290

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merged 1 commit into from
Sep 4, 2023
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fix: 942440 chained rule regex #3290

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10 changes: 9 additions & 1 deletion rules/REQUEST-942-APPLICATION-ATTACK-SQLI.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -1335,6 +1335,14 @@ SecRule ARGS_NAMES|ARGS|XML:/* "@rx ((?:[~!@#\$%\^&\*\(\)\-\+=\{\}\[\]\|:;\"'´
# 0/**/union/*!50000select*/table_name`foo`/**/
# -------------------------
#
# The chained rule is designed to prevent false positives by specifically
# targeting JWT tokens. Starting with 'ey' targets JWT tokens, where the 'ey'
# prefix corresponds to the beginning of the Base64-encoded header section.
#
# example:
# $ echo '{"' | base64
# eyIK
#
# Regular expression generated from regex-assembly/942440.ra.
# To update the regular expression run the following shell script
# (consult https://coreruleset.org/docs/development/regex_assembly/ for details):
Expand All @@ -1359,7 +1367,7 @@ SecRule REQUEST_COOKIES|!REQUEST_COOKIES:/__utm/|!REQUEST_COOKIES:/_pk_ref/|REQU
ver:'OWASP_CRS/4.0.0-rc1',\
severity:'CRITICAL',\
chain"
SecRule MATCHED_VARS "!@rx ^ey[A-Z-a-z0-9-_]+[.]ey[A-Z-a-z0-9-_]+[.][A-Z-a-z0-9-_]+$" \
SecRule MATCHED_VARS "!@rx ^ey[a-zA-Z0-9_-]+[.]ey[a-zA-Z0-9_-]+[.][a-zA-Z0-9_-]+$" \
"t:none,\
setvar:'tx.inbound_anomaly_score_pl2=+%{tx.critical_anomaly_score}',\
setvar:'tx.sql_injection_score=+%{tx.critical_anomaly_score}'"
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0