pcs/SOURCES/RHEL-90147-support-for-query-limits-in-rack.patch
2025-05-28 12:26:27 +00:00

46 lines
1.2 KiB
Diff

From 0ad47ec40b7a9a2cb6bdbdf11e1e5b3c59f49b8b Mon Sep 17 00:00:00 2001
From: Miroslav Lisik <mlisik@redhat.com>
Date: Tue, 20 May 2025 16:34:18 +0200
Subject: [PATCH] support for query limits in rack
---
pcsd/conf/pcsd | 6 ++++++
pcsd/pcsd.rb | 5 +++++
2 files changed, 11 insertions(+)
diff --git a/pcsd/conf/pcsd b/pcsd/conf/pcsd
index 98df4744..65a9c9a9 100644
--- a/pcsd/conf/pcsd
+++ b/pcsd/conf/pcsd
@@ -45,5 +45,11 @@ PCSD_SESSION_LIFETIME=3600
# is 50 (even if set lower).
PCSD_RESTART_AFTER_REQUESTS=200
+# These environment variables set the maximum query string bytesize and the
+# maximum number of query parameters that pcsd will attempt to parse.
+# See CVE-2025-46727 for details.
+#RACK_QUERY_PARSER_BYTESIZE_LIMIT=4194304
+#RACK_QUERY_PARSER_PARAMS_LIMIT=4096
+
# Do not change
RACK_ENV=production
diff --git a/pcsd/pcsd.rb b/pcsd/pcsd.rb
index 11698f54..a2634e4e 100644
--- a/pcsd/pcsd.rb
+++ b/pcsd/pcsd.rb
@@ -90,6 +90,11 @@ configure do
CAPABILITIES_PCSD = capabilities_pcsd.freeze
end
+error Rack::QueryParser::QueryLimitError do
+ $logger.warn(env['sinatra.error'].message)
+ return 400, env['sinatra.error'].message
+end
+
def run_cfgsync
node_connected = true
if Cfgsync::ConfigSyncControl.sync_thread_allowed?()
--
2.49.0