Vulnerability: LBMPDM Dissector Crash and Arbitrary Memory Write

CVE-2018-19623 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the LBMPDM dissector could crash. In addition, a remote attacker could write arbitrary data to any memory locations before the packet-scoped memory. This was addressed in epan/dissectors/packet-lbmpdm.c by disallowing certain negative values.

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