rpcbind CALLIT procedure UDP denial of service proof of concept exploit.
b1f8e8ac62cc8aa90feb364db73662e95355e499461aacc4babe70c99e31dd2d
Red Hat Security Advisory 2013-0884-01 - These packages provide a transport-independent RPC implementation. A flaw was found in the way libtirpc decoded RPC requests. A specially-crafted RPC request could cause libtirpc to attempt to free a buffer provided by an application using the library, even when the buffer was not dynamically allocated. This could cause an application using libtirpc, such as rpcbind, to crash.
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