fix: invalid memory access in websocket_handler (#1687)

* fix: invalid memory access in websocket_handler

* Revert "fix: invalid memory access in websocket_handler"

This reverts commit 120c087d92fac3e3c950f1e689461aafd2fa459c.

* fix: (again) invalid memory access in websocket_handler

Previous commit was incomplete; we need to shift the
whole buffer.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/3rd_party-static/message_broker/src/lib_messagebroker/websocket_handler.cpp b/src/3rd_party-static/message_broker/src/lib_messagebroker/websocket_handler.cpp
index 17c2dd92ae..9fd364cf17 100644
--- a/src/3rd_party-static/message_broker/src/lib_messagebroker/websocket_handler.cpp
+++ b/src/3rd_party-static/message_broker/src/lib_messagebroker/websocket_handler.cpp
@@ -160,9 +160,9 @@ namespace NsMessageBroker
        DBG_MSG(("CWebSocketHandler::parseWebSocketData()length:%d; size:%d;"
                 " position:%d\n", (int)length, size, position));
 
-       for (unsigned long i = 0; (i < size); i++) {
-         Buffer[parsedBufferPosition + i] = recBuffer[i+position];
-       }
+       memmove(&Buffer[parsedBufferPosition], &recBuffer[position],
+               size - position);
+
        b_size -= position;
        parsedBufferPosition += length;
        recBuffer += length;