diff options
Diffstat (limited to 'meta/recipes-bsp/u-boot/files/0005-CVE-2019-14192-14193-14199.patch')
-rw-r--r-- | meta/recipes-bsp/u-boot/files/0005-CVE-2019-14192-14193-14199.patch | 43 |
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: FermÃn 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 + |