From 0acd1ab4d08d53d80393b1a37b8781f6e7b2b996 Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@strongswan.org>
Date: Tue, 13 Mar 2018 18:54:08 +0100
Subject: [PATCH] stroke: Ensure a minimum message length
---
src/libcharon/plugins/stroke/stroke_socket.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/libcharon/plugins/stroke/stroke_socket.c b/src/libcharon/plugins/stroke/stroke_socket.c
index c568440..1e7f210 100644
--- a/src/libcharon/plugins/stroke/stroke_socket.c
+++ b/src/libcharon/plugins/stroke/stroke_socket.c
@@ -627,6 +627,11 @@ static bool on_accept(private_stroke_socket_t *this, stream_t *stream)
}
return FALSE;
}
+ if (len < offsetof(stroke_msg_t, buffer))
+ {
+ DBG1(DBG_CFG, "invalid stroke message length %d", len);
+ return FALSE;
+ }
/* read message (we need an additional byte to terminate the buffer) */
msg = malloc(len + 1);
--
1.9.1