tcpreplay: fix CVE-2023-43279

Null Pointer Dereference in mask_cidr6 component at cidr.c in Tcpreplay
4.4.4 allows attackers to crash the application via crafted tcprewrite
command.

References:
https://nvd.nist.gov/vuln/detail/CVE-2023-43279

Upstream patches:
https://github.com/appneta/tcpreplay/pull/860/commits/963842ceca79e97ac3242448a0de94fb901d3560

Signed-off-by: Jiaying Song <jiaying.song.cn@windriver.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-networking/recipes-support/tcpreplay/tcpreplay/CVE-2023-43279.patch

@@ -0,0 +1,39 @@
+From 3164a75f2660a5c3537feff9fd8751346cf5ca57 Mon Sep 17 00:00:00 2001
+From: Gabriel Ganne <gabriel.ganne@gmail.com>
+Date: Sun, 21 Jan 2024 09:16:38 +0100
+Subject: [PATCH] add check for empty cidr
+
+This causes tcprewrite to exit with an error instead of crashing.
+
+Fixes: #824
+
+Upstream-Status: Backport
+CVE: CVE-2023-43279
+
+Reference to upstream patch:
+https://github.com/appneta/tcpreplay/pull/860/commits/963842ceca79e97ac3242448a0de94fb901d3560
+
+Signed-off-by: Gabriel Ganne <gabriel.ganne@gmail.com>
+Signed-off-by: Jiaying Song <jiaying.song.cn@windriver.com>
+---
+ src/common/cidr.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/common/cidr.c b/src/common/cidr.c
+index 687fd04..9afbfec 100644
+--- a/src/common/cidr.c
++++ b/src/common/cidr.c
+@@ -249,6 +249,10 @@ parse_cidr(tcpr_cidr_t **cidrdata, char *cidrin, char *delim)
+     char *network;
+     char *token = NULL;
+ 
++    if (cidrin == NULL) {
++        errx(-1, "%s", "Unable to parse empty CIDR");
++    }
++
+     mask_cidr6(&cidrin, delim);
+ 
+     /* first iteration of input using strtok */
+-- 
+2.25.1
+

meta-networking/recipes-support/tcpreplay/tcpreplay_4.4.4.bb

@@ -12,6 +12,7 @@ SRC_URI = "https://github.com/appneta/${BPN}/releases/download/v${PV}/${BP}.tar.
     file://0001-configure.ac-unify-search-dirs-for-pcap-and-add-lib3.patch \
     file://0001-configure.ac-do-not-run-conftest-in-case-of-cross-co.patch \
     file://CVE-2023-4256.patch \
+    file://CVE-2023-43279.patch \
 "
 
 SRC_URI[sha256sum] = "44f18fb6d3470ecaf77a51b901a119dae16da5be4d4140ffbb2785e37ad6d4bf"