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wireshark
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Add a couple of length checks. 

svn path=/trunk/; revision=14008
This commit is contained in:
Gerald Combs 2005-04-04 03:01:40 +00:00
parent 9f0d946003
commit f52c3c3a14
1 changed files with 8 additions and 0 deletions
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8
plugins/rdm/packet-rdm.c
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@ -111,6 +111,13 @@ dissect_rdm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
offset += 1;
mdb_size = tvb_get_guint8(tvb, offset) - 19;
if (mdb_size < 20) {
proto_tree_add_text(rdm_tree, tvb, offset, 1, "Invalid MDB size: %d",
mdb_size + 19);
return;
}
proto_tree_add_item(rdm_tree, hf_rdm_slot_count, tvb,
offset, 1, FALSE);
offset += 1;
@ -139,6 +146,7 @@ dissect_rdm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
offset, 1, FALSE);
offset += 1;
tvb_ensure_bytes_exist(tvb, offset, mdb_size);
proto_tree_add_item(rdm_tree, hf_rdm_mdb, tvb,
offset, mdb_size, FALSE);
offset += mdb_size;