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

Original advisories

Wireshark security advisories

Related products

Wireshark

CVE list

CVE-2016-7180 warning

CVE-2016-7179 warning

CVE-2016-7178 warning

CVE-2016-7177 warning

CVE-2016-7176 warning

CVE-2016-7175 warning

Solution

Update to the latest version

Wireshark download page

Impacts

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

Affected Products

• Wireshark 2 versions earlier than 2.0.6