From vendor's website:
"MetaServer RT allows to use MetaStock 6.52/7.x/8.x/9.x/10.x/11.x
(eSignal version) and TradeStartion2000i/ProSuite2000i with datafeeds
that are not supported originally."
Through an interrupted connection with multiple packets on port 2189
and a subsequent reconnection it's possible to cause a heap overflow
and the relative write4.
Both the "MESSA" and "ROSCO" commands can be used.
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B] various Denials of Service
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Various invalid memory accesses and freezing of the program.