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-rw-r--r--meta/recipes-bsp/u-boot/files/0005-CVE-2019-14192-14193-14199.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/meta/recipes-bsp/u-boot/files/0005-CVE-2019-14192-14193-14199.patch b/meta/recipes-bsp/u-boot/files/0005-CVE-2019-14192-14193-14199.patch
new file mode 100644
index 0000000000..a19545a2d3
--- /dev/null
+++ b/meta/recipes-bsp/u-boot/files/0005-CVE-2019-14192-14193-14199.patch
@@ -0,0 +1,43 @@
+From e8e602f4a4b2aacfb3da32bb8a838be15ea70e7b Mon Sep 17 00:00:00 2001
+From: "liucheng (G)" <liucheng32@huawei.com>
+Date: Thu, 29 Aug 2019 13:47:33 +0000
+Subject: [PATCH 5/9] CVE: net: fix unbounded memcpy of UDP packet
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This patch adds a check to udp_len to fix unbounded memcpy for
+CVE-2019-14192, CVE-2019-14193 and CVE-2019-14199.
+
+Signed-off-by: Cheng Liu <liucheng32@huawei.com>
+Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
+Reported-by: Fermín Serna <fermin@semmle.com>
+Acked-by: Joe Hershberger <joe.hershberger@ni.com>
+
+Upstream-Status: Backport[http://git.denx.de/?p=u-boot.git;a=commit;
+ h=fe7288069d2e6659117049f7d27e261b550bb725]
+
+CVE: CVE-2019-14192, CVE-2019-14193 and CVE-2019-14199
+
+Signed-off-by: Meng Li <Meng.Li@windriver.com>
+---
+ net/net.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/net/net.c b/net/net.c
+index 58b0417cbe..38105f1142 100644
+--- a/net/net.c
++++ b/net/net.c
+@@ -1252,6 +1252,9 @@ void net_process_received_packet(uchar *in_packet, int len)
+ return;
+ }
+
++ if (ntohs(ip->udp_len) < UDP_HDR_SIZE || ntohs(ip->udp_len) > ntohs(ip->ip_len))
++ return;
++
+ debug_cond(DEBUG_DEV_PKT,
+ "received UDP (to=%pI4, from=%pI4, len=%d)\n",
+ &dst_ip, &src_ip, len);
+--
+2.17.1
+