From b15763bd86bf6e457594750853ae9ad2640f9d28 Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Thu, 31 Mar 2022 19:06:14 +0200
Subject: [PATCH] Compare cluster tickets in constant time

Just to be sure.
---
 lib/remote/jsonrpcconnection-pki.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/remote/jsonrpcconnection-pki.cpp b/lib/remote/jsonrpcconnection-pki.cpp
index d955becb5..8cb116eda 100644
--- a/lib/remote/jsonrpcconnection-pki.cpp
+++ b/lib/remote/jsonrpcconnection-pki.cpp
@@ -197,7 +197,7 @@ Value RequestCertificateHandler(const MessageOrigin::Ptr& origin, const Dictiona
 			<< "Certificate request for CN '" << cn << "': Comparing received ticket '"
 			<< ticket << "' with calculated ticket '" << realTicket << "'.";
 
-		if (ticket != realTicket) {
+		if (!Utility::ComparePasswords(ticket, realTicket)) {
 			Log(LogWarning, "JsonRpcConnection")
 				<< "Ticket '" << ticket << "' for CN '" << cn << "' is invalid.";