8000 fix(security): fixing double URL decode of REQUEST_URI by azurit · Pull Request #4047 · coreruleset/coreruleset · GitHub
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fix(security): fixing double URL decode of REQUEST_URI #4047

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Merged
merged 6 commits into from
Mar 25, 2025
+5 −5
Merged

fix(security): fixing double URL decode of REQUEST_URI #4047

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176a89f
Update REQUEST-920-PROTOCOL-ENFORCEMENT.conf
azurit Mar 23, 2025
5b8d7a9
Update REQUEST-921-PROTOCOL-ATTACK.conf
azurit Mar 23, 2025
86fe78a
Update REQUEST-930-APPLICATION-ATTACK-LFI.conf
azurit Mar 23, 2025
314c15f
Update REQUEST-930-APPLICATION-ATTACK-LFI.conf
azurit Mar 23, 2025
7e73a50
Update REQUEST-930-APPLICATION-ATTACK-LFI.conf
azurit Mar 23, 2025
b631efb
Merge branch 'main' into RequestUriRaw
azurit Mar 25, 2025
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6 changes: 3 additions & 3 deletions rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -461,7 +461,7 @@ SecRule REQUEST_URI|REQUEST_BODY "@rx (?i)%uff[0-9a-f]{2}" \
# 920274 generally has few positives. However, it would detect rare attacks
# on Accept request headers and friends.

SecRule REQUEST_URI|REQUEST_HEADERS|ARGS|ARGS_NAMES "@validateByteRange 1-255" \
SecRule REQUEST_URI_RAW|REQUEST_HEADERS|ARGS|ARGS_NAMES "@validateByteRange 1-255" \
"id:920270,\
phase:2,\
block,\
Expand Down Expand Up @@ -1352,7 +1352,7 @@ SecRule ARGS "@rx %[0-9a-fA-F]{2}" \
#
# PL2: This is a stricter sibling of 920270.
#
SecRule REQUEST_URI|REQUEST_HEADERS|ARGS|ARGS_NAMES "@validateByteRange 9,10,13,32-126,128-255" \
SecRule REQUEST_URI_RAW|REQUEST_HEADERS|ARGS|ARGS_NAMES "@validateByteRange 9,10,13,32-126,128-255" \
"id:920271,\
phase:2,\
block,\
Expand Down Expand Up @@ -1514,7 +1514,7 @@ SecRule TX:DETECTION_PARANOIA_LEVEL "@lt 3" "id:920016,phase:2,pass,nolog,tag:'O
# This rule is also triggered by the following exploit(s):
# [ SAP CRM Java vulnerability CVE-2018-2380 - Exploit tested: https://www.exploit-db.com/exploits/44292 ]
#
SecRule REQUEST_URI|REQUEST_HEADERS|ARGS|ARGS_NAMES|REQUEST_BODY "@validateByteRange 32-36,38-126" \
SecRule REQUEST_URI_RAW|REQUEST_HEADERS|ARGS|ARGS_NAMES|REQUEST_BODY "@validateByteRange 32-36,38-126" \
"id:920272,\
phase:2,\
block,\
Expand Down
2 changes: 1 addition & 1 deletion rules/REQUEST-921-PROTOCOL-ATTACK.conf
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Expand Up @@ -285,7 +285,7 @@ SecRule REQUEST_HEADERS:Content-Type "@rx ^[^\s\x0b,;]+[\s\x0b,;].*?(?:applicati
# This issue affects Apache HTTP Server 2.4.48 and earlier.
# GET /?unix:AAAAAAAAAAAAA|http://coreruleset.org/
#
SecRule REQUEST_URI "@rx unix:[^|]*\|" \
SecRule REQUEST_URI_RAW "@rx unix:[^|]*\|" \
"id:921240,\
phase:1,\
block,\
Expand Down
2 changes: 1 addition & 1 deletion rules/REQUEST-930-APPLICATION-ATTACK-LFI.conf
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Expand Up @@ -64,7 +64,7 @@ SecRule REQUEST_URI_RAW|ARGS|REQUEST_HEADERS|!REQUEST_HEADERS:Referer|FILES|XML:
#
# Semicolon added to prevent path traversal via reverse proxy mapping '/..;/' (Tomcat)
#
SecRule REQUEST_URI|ARGS|REQUEST_HEADERS|!REQUEST_HEADERS:Referer|FILES|XML:/* "@rx (?:(?:^|[\x5c/;])\.{2,3}[\x5c/;]|[\x5c/;]\.{2,3}[\x5c/;])" \
SecRule REQUEST_URI_RAW|ARGS|REQUEST_HEADERS|!REQUEST_HEADERS:Referer|FILES|XML:/* "@rx (?:(?:^|[\x5c/;])\.{2,3}[\x5c/;]|[\x5c/;]\.{2,3}[\x5c/;])" \
"id:930110,\
phase:2,\
block,\
Expand Down
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