wireshark: DoS (infinite loop) in the SCTP dissector (wnpa-sec-2012-33)

Integer overflow in the dissectsackchunk function in epan/dissectors/packet-sctp.c in the SCTP dissector in Wireshark 1.8.x before 1.8.4 allows remote attackers to cause a denial of service infinite loop via a crafted Duplicate TSN count...