diff options
| -rw-r--r-- | bgpd/bgp_attr.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c index 13bc05d638..2cb3164f26 100644 --- a/bgpd/bgp_attr.c +++ b/bgpd/bgp_attr.c @@ -2510,6 +2510,14 @@ static int bgp_attr_encap(struct bgp_attr_parser_args *args) args->total); } + if (STREAM_READABLE(BGP_INPUT(peer)) < sublength) { + zlog_err("Tunnel Encap attribute sub-tlv length %d exceeds remaining stream length %zu", + sublength, STREAM_READABLE(BGP_INPUT(peer))); + return bgp_attr_malformed(args, + BGP_NOTIFY_UPDATE_OPT_ATTR_ERR, + args->total); + } + /* alloc and copy sub-tlv */ /* TBD make sure these are freed when attributes are released */ tlv = XCALLOC(MTYPE_ENCAP_TLV, |