8000 fix(954100): detect forward slash in path by Xhoenix · Pull Request #4094 · coreruleset/coreruleset · GitHub
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fix(954100): detect forward slash in path #4094

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Merged
merged 6 commits into from
Apr 21, 2025
Merged

fix(954100): detect forward slash in path #4094

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8ebebb5
detect forward slashes in path
Xhoenix Apr 13, 2025
7f452cf
added test for forward slash
Xhoenix Apr 13, 2025
2d666df
Merge branch 'main' into fix-954100
Xhoenix Apr 17, 2025
dac48c4
Update rules/RESPONSE-954-DATA-LEAKAGES-IIS.conf
Xhoenix Apr 21, 2025
aaa0ea5
added lower case drive letter test
Xhoenix Apr 21, 2025
fb7f3f7
remove lowercase transformation
Xhoenix Apr 21, 2025
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4 changes: 2 additions & 2 deletions rules/RESPONSE-954-DATA-LEAKAGES-IIS.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -30,12 +30,12 @@ SecRule TX:DETECTION_PARANOIA_LEVEL "@lt 1" "id:954012,phase:4,pass,nolog,tag:'O
#

# IIS default location
SecRule RESPONSE_BODY "@rx [a-z]:\x5cinetpub\b" \
SecRule RESPONSE_BODY "@rx (?i)[a-z]:[\x5c/]inetpub\b" \
"id:954100,\
phase:4,\
block,\
capture,\
t:none,t:lowercase,\
t:none,\
msg:'Disclosure of IIS install location',\
logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}',\
tag:'application-multi',\
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38 changes: 37 additions & 1 deletion tests/regression/tests/RESPONSE-954-DATA-LEAKAGES-IIS/954100.yaml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
---
meta:
author: "Andrew Howe"
author: "Andrew Howe, Xhoenix"
rule_id: 954100
tests:
- test_id: 1
Expand All @@ -21,3 +21,39 @@ tests:
output:
log:
expect_ids: [954100]
- test_id: 2
desc: 'Returns C:/inetpub in the response body'
stages:
- input:
dest_addr: "127.0.0.1"
port: 80
headers:
Host: "localhost"
User-Agent: "OWASP CRS test agent"
Accept: "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5"
Content-Type: "application/json"
method: "POST"
version: "HTTP/1.1"
uri: "/reflect"
data: "{\"body\": \"C:/inetpub \\n\"}"
output:
log:
expect_ids: [954100]
- test_id: 3
desc: 'Returns c:/inetpub(lower case) in the response body'
stages:
- input:
dest_addr: "127.0.0.1"
port: 80
headers:
Host: "localhost"
User-Agent: "OWASP CRS test agent"
Accept: "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5"
Content-Type: "application/json"
method: "POST"
version: "HTTP/1.1"
uri: "/reflect"
data: "{\"body\": \"c:/inetpub \\n\"}"
output:
log:
expect_ids: [954100]
0