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Resolves: RHEL-16358 - A form data, "会社"(Company in Japanese) is forbade

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with REQUEST-941-APPLICATION-ATTACK-XSS.conf of mod_security_crs
This commit is contained in:
Luboš Uhliarik 2024-02-02 15:39:38 +01:00
parent e83f3e411a
commit 8eea142c6a
2 changed files with 25 additions and 2 deletions
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16
mod_security_crs-rule-941310-dont-match-japanese-word.patch Normal file
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@ -0,0 +1,16 @@
--- a/rules/REQUEST-941-APPLICATION-ATTACK-XSS.conf 2020-07-01 18:38:19.000000000 +0200
+++ b/rules/REQUEST-941-APPLICATION-ATTACK-XSS.conf 2023-02-16 09:14:52.151838881 +0100
@@ -543,8 +543,11 @@
ctl:auditLogParts=+E,\
ver:'OWASP_CRS/3.3.4',\
severity:'CRITICAL',\
- setvar:'tx.xss_score=+%{tx.critical_anomaly_score}',\
- setvar:'tx.anomaly_score_pl1=+%{tx.critical_anomaly_score}'"
+ chain"
+ SecRule REQUEST_COOKIES|!REQUEST_COOKIES:/__utm/|REQUEST_COOKIES_NAMES|ARGS_NAMES|ARGS|REQUEST_FILENAME|XML:/* "@rx [^\xe4]\xbc[^\x9a][^\xbe>]*[^\xe7][^\xa4][\xbe>]|<[^\xbe]*[^\xe7][^\xa4]\xbe" \
+ "t:none,t:lowercase,t:urlDecode,t:htmlEntityDecode,t:jsDecode,\
+ setvar:'tx.xss_score=+%{tx.critical_anomaly_score}',\
+ setvar:'tx.anomaly_score_pl1=+%{tx.critical_anomaly_score}'"
#
# https://nedbatchelder.com/blog/200704/xss_with_utf7.html

11
mod_security_crs.spec
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@ -1,7 +1,7 @@
Summary: ModSecurity Rules
Name: mod_security_crs
Version: 3.3.4
Release: 1%{?dist}
Release: 2%{?dist}
License: ASL 2.0
URL: https://www.owasp.org/index.php/Category:OWASP_ModSecurity_Core_Rule_Set_Project
Source: https://github.com/coreruleset/coreruleset/archive/refs/tags/v%{version}.tar.gz
@ -9,13 +9,16 @@ BuildArch: noarch
Requires: mod_security >= 2.9.6
Obsoletes: mod_security_crs-extras < 3.0.0
Patch0: mod_security_crs-early-blocking.patch
# https://issues.redhat.com/browse/RHEL-16358
Patch1: mod_security_crs-rule-941310-dont-match-japanese-word.patch
%description
This package provides the base rules for mod_security.
%prep
%setup -q -n coreruleset-%{version}
%patch0 -p1 -b.early_blocking
%patch0 -p1 -b .early_blocking
%patch1 -p1 -b .rule_941310
%build
@ -48,6 +51,10 @@ done
%{_datarootdir}/mod_modsecurity_crs
%changelog
* Fri Feb 02 2024 Luboš Uhliarik <luhliari@redhat.com> - 3.3.4-2
- Resolves: RHEL-16358 - A form data, "会社"(Company in Japanese) is forbade
with REQUEST-941-APPLICATION-ATTACK-XSS.conf of mod_security_crs
* Mon Dec 05 2022 Luboš Uhliarik <luhliari@redhat.com> - 3.3.4-1
- new version 3.3.4
- Resolves: #2143210 - [RFE] upgrade mod_security_crs to latest upstream 3.3.x