diff options
Diffstat (limited to 'meta-networking/recipes-protocols/frr/frr/CVE-2022-37032.patch')
| -rw-r--r-- | meta-networking/recipes-protocols/frr/frr/CVE-2022-37032.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta-networking/recipes-protocols/frr/frr/CVE-2022-37032.patch b/meta-networking/recipes-protocols/frr/frr/CVE-2022-37032.patch new file mode 100644 index 0000000000..672bc9514a --- /dev/null +++ b/meta-networking/recipes-protocols/frr/frr/CVE-2022-37032.patch @@ -0,0 +1,42 @@ +From 3c4821679f2362bcd38fcc7803f28a5210441ddb Mon Sep 17 00:00:00 2001 +From: Donald Sharp <sharpd@nvidia.com> +Date: Thu, 21 Jul 2022 08:11:58 -0400 +Subject: [PATCH] bgpd: Make sure hdr length is at a minimum of what is + expected + +Ensure that if the capability length specified is enough data. + +Signed-off-by: Donald Sharp <sharpd@nvidia.com> + +CVE: CVE-2022-37032 + +Upstream-Status: Backport +[https://github.com/FRRouting/frr/commit/3c4821679f2362bcd38fcc7803f28a5210441ddb] + +Signed-off-by: Yi Zhao <yi.zhao@windriver.com> +--- + bgpd/bgp_packet.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/bgpd/bgp_packet.c b/bgpd/bgp_packet.c +index 7c92a8d9e..bcd47e32d 100644 +--- a/bgpd/bgp_packet.c ++++ b/bgpd/bgp_packet.c +@@ -2440,6 +2440,14 @@ static int bgp_capability_msg_parse(struct peer *peer, uint8_t *pnt, + "%s CAPABILITY has action: %d, code: %u, length %u", + peer->host, action, hdr->code, hdr->length); + ++ if (hdr->length < sizeof(struct capability_mp_data)) { ++ zlog_info( ++ "%s Capability structure is not properly filled out, expected at least %zu bytes but header length specified is %d", ++ peer->host, sizeof(struct capability_mp_data), ++ hdr->length); ++ return BGP_Stop; ++ } ++ + /* Capability length check. */ + if ((pnt + hdr->length + 3) > end) { + zlog_info("%s Capability length error", peer->host); +-- +2.25.1 + |