tcpreplay: Add fix for CVE-2020-24265 and CVE-2020-24266

Add below patch to fix CVE-2020-24265 and CVE-2020-24266
CVE-2020-24265-and-CVE-2020-24266.patch
Link: appneta/tcpreplay@d311085

Signed-off-by: Akash Hadke <akash.hadke@kpit.com>
Signed-off-by: Akash Hadke <hadkeakash4@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-networking/recipes-support/tcpreplay/files/CVE-2020-24265-and-CVE-2020-24266.patch

@@ -0,0 +1,37 @@
+From d3110859064b15408dbca1294dc7e31c2208504d Mon Sep 17 00:00:00 2001
+From: Gabriel Ganne <gabriel.ganne@gmail.com>
+Date: Mon, 3 Aug 2020 08:26:38 +0200
+Subject: [PATCH] fix heap-buffer-overflow when DLT_JUNIPER_ETHER
+
+The test logic on datalen was inverted.
+
+Processing truncated packats should now raise a warning like the
+following:
+  Warning: <pcap> was captured using a snaplen of 4 bytes.  This may mean you have truncated packets.
+
+Fixes #616 #617
+
+CVE: CVE-2020-24265
+CVE: CVE-2020-24266
+Upstream-Status: Backport [https://github.com/appneta/tcpreplay/commit/d3110859064b15408dbca1294dc7e31c2208504d]
+
+Signed-off-by: Gabriel Ganne <gabriel.ganne@gmail.com>
+Signed-off-by: Akash Hadke <akash.hadke@kpit.com>
+Signed-off-by: Akash Hadke <hadkeakash4@gmail.com>
+---
+ src/common/get.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/common/get.c b/src/common/get.c
+index f9ee92d3..0517bf0a 100644
+--- a/src/common/get.c
++++ b/src/common/get.c
+@@ -178,7 +178,7 @@ get_l2len(const u_char *pktdata, const int datalen, const int datalink)
+         break;
+
+     case DLT_JUNIPER_ETHER:
+-        if (datalen >= 5) {
++        if (datalen < 5) {
+             l2_len = -1;
+             break;
+         }

meta-networking/recipes-support/tcpreplay/tcpreplay_4.3.3.bb

@@ -6,7 +6,8 @@ SECTION = "net"
 LICENSE = "GPLv3"
 LIC_FILES_CHKSUM = "file://docs/LICENSE;md5=890b830b22fd632e9ffd996df20338f8"
 
-SRC_URI = "https://github.com/appneta/tcpreplay/releases/download/v${PV}/tcpreplay-${PV}.tar.gz"
+SRC_URI = "https://github.com/appneta/tcpreplay/releases/download/v${PV}/tcpreplay-${PV}.tar.gz \
+           file://CVE-2020-24265-and-CVE-2020-24266.patch"
 
 SRC_URI[md5sum] = "53b52bf64f0b6b9443428e657b37bc6b"
 SRC_URI[sha256sum] = "ed2402caa9434ff5c74b2e7b31178c73e7c7c5c4ea1e1d0e2e39a7dc46958fde"