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| author | Uli Heilmeier <uh@heilmeier.eu> | 2022-02-06 10:48:38 +0100 |
|---|---|---|
| committer | A Wireshark GitLab Utility <gerald+gitlab-utility@wireshark.org> | 2022-02-06 18:18:21 +0000 |
| commit | bb8e3db0c6b8dc32f86561f184a00a6cf428e407 (patch) | |
| tree | 20e87066333786e33f69791b42f0ba143956a5de | |
| parent | d6fe0b3211ca801ad89ae29ce1703f72d634996c (diff) | |
| download | wireshark-bb8e3db0c6b8dc32f86561f184a00a6cf428e407.tar.gz wireshark-bb8e3db0c6b8dc32f86561f184a00a6cf428e407.tar.bz2 wireshark-bb8e3db0c6b8dc32f86561f184a00a6cf428e407.zip | |
MIH: Check length tvb_composite_append()
Check if length > 0 before calling tvb_composite_append()
Related to #17890 case 3
| -rw-r--r-- | epan/dissectors/packet-mih.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/epan/dissectors/packet-mih.c b/epan/dissectors/packet-mih.c index 5127f9ca4c..66a63397a3 100644 --- a/epan/dissectors/packet-mih.c +++ b/epan/dissectors/packet-mih.c @@ -1638,7 +1638,9 @@ static void dissect_mih_tlv(tvbuff_t *tvb,int offset, proto_tree *tlv_tree, guin for(i=0; i < mihf_id_len/2; i++) { tvb_temp = tvb_new_subset_length(tvb, offset + 2 + 2*i, 1); - tvb_composite_append(tvb_mihf_id, tvb_temp); + if (tvb_captured_length(tvb_temp)) { + tvb_composite_append(tvb_mihf_id, tvb_temp); + } } TRY { |