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zvt: fix parsing of the 3-byte length field 

if the first length byte is 0xff, the actual length is the last
two bytes interpreted as little endian

Change-Id: I098ce428888147ad9ca0a30c3ed451d1f89eace7
Reviewed-on: https://code.wireshark.org/review/14834
Reviewed-by: Martin Kaiser <wireshark@kaiser.cx>
This commit is contained in:
Martin Kaiser 2016-04-06 23:22:13 +02:00
parent 0f9edb39b1
commit 7476db48cc
1 changed files with 1 additions and 1 deletions
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2
epan/dissectors/packet-zvt.c
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@ -543,7 +543,7 @@ dissect_zvt_apdu(tvbuff_t *tvb, gint offset, packet_info *pinfo, proto_tree *tre
len = tvb_get_guint8(tvb, offset+2);
if (len == 0xFF) {
len_bytes = 3;
len = tvb_get_ntohs(tvb, offset+3);
len = tvb_get_letohs(tvb, offset+3);
}
/* ZVT_APDU_MIN_LEN already includes one length byte */