File CVE-2016-9800-tool-hcidump-Fix-memory-leak-with... of Package bluez

Overview Repositories Revisions Requests Users Attributes Meta

File CVE-2016-9800-tool-hcidump-Fix-memory-leak-with-malformed-packet.patch of Package bluez (Revision 7c2bb463fe5b1516e9d614d0bcce0ccb)

Currently displaying revision 7c2bb463fe5b1516e9d614d0bcce0ccb , Show latest

# Upstream suggests to use btmon instead of hcidump and does not want those patches
# => PATCH-FIX-OPENSUSE for those two :-)
# fix some memory leak with malformed packet (reported upstream but not yet fixed)

From 5ca9510314d15d562e9ef5515a5483be5f28258d Mon Sep 17 00:00:00 2001
From: "Cho, Yu-Chen" <acho@suse.com>
Date: Wed, 21 Mar 2018 17:32:45 +0800
Subject: [PATCH BlueZ] tool/hcidump: Fix memory leak with malformed packet

Do not allow to read more then buffer size.
---
 tools/parser/hci.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

Index: bluez-5.65/tools/parser/hci.c
===================================================================
--- bluez-5.65.orig/tools/parser/hci.c
+++ bluez-5.65/tools/parser/hci.c
@@ -976,8 +976,14 @@ static inline void pin_code_reply_dump(i
 	memset(pin, 0, sizeof(pin));
 	if (parser.flags & DUMP_NOVENDOR)
 		memset(pin, '*', cp->pin_len);
-	else
+	else {
+                 if (cp->pin_len > sizeof(pin)){
+                        perror("Read failed");
+                        exit(1);
+                }
+
 		memcpy(pin, cp->pin_code, cp->pin_len);
+	}
 	printf("bdaddr %s len %d pin \'%s\'\n", addr, cp->pin_len, pin);
 }

Places

File CVE-2016-9800-tool-hcidump-Fix-memory-leak-with-malformed-packet.patch of Package bluez (Revision 7c2bb463fe5b1516e9d614d0bcce0ccb)

Places