From f7c97ca10aabc69fe245e499f98400ad6fd2d0ed Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Fri, 2 Oct 2009 17:57:24 -0500
Subject: [PATCH] Fix: Add additional error checking

---
 src/simutil.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/simutil.c b/src/simutil.c
index c9188468..0ff93a23 100644
--- a/src/simutil.c
+++ b/src/simutil.c
@@ -687,7 +687,10 @@ gboolean sim_parse_2g_get_response(unsigned char *response, int len,
 					int *file_len, int *record_len,
 					int *structure, unsigned char *access)
 {
-	if (len < 14)
+	if (len < 14 || response[6] != 0x04)
+		return FALSE;
+
+	if ((response[13] == 0x01 || response[13] == 0x03) && len < 15)
 		return FALSE;
 
 	*file_len = (response[2] << 8) | response[3];