KLA10867
Denial of service vulnerabilities in Wireshark

Multiple vulnerabilities were found in Wireshark. By exploiting these vulnerabilities malicious users can cause denial of service. These vulnerabilities can be exploited remotely via a specially designed packet.

Technical details

These vulnerabilities related to multiple dissectors:

1. epan/dissectors/packet-ipmi-trace.c in the IPMI trace dissector does not properly consider whether constant string
2. Stack-based buffer overflow in epan/dissectors/packet-catapult-dct2000.c in the Catapult DCT2000 dissector
3. epan/dissectors/packet-umts_fp.c in the UMTS FP dissector does not properly handle memory allocation
4. epan/dissectors/packet-catapult-dct2000.c in the Catapult DCT2000 dissector does not restrict number of channels
5. epan/dissectors/packet-h225.c in the H.225 dissector calls snprintf with one of its input buffers as the output buffer
6. epan/dissectors/packet-qnet6.c in the QNX6 QNET dissector mishandles MAC address data

Wireshark 2 versions earlier than 2.0.6

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