module

AIX Calendar Manager Service Daemon (rpc.cmsd) Opcode 21 Buffer Overflow

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Disclosed
Oct 7, 2009
Created
May 30, 2018

Description

This module exploits a buffer overflow vulnerability in opcode 21 handled by
rpc.cmsd on AIX. By making a request with a long string passed to the first
argument of the "rtable_create" RPC, a stack based buffer overflow occurs. This
leads to arbitrary code execution.

NOTE: Unsuccessful attempts may cause inetd/portmapper to enter a state where
further attempts are not possible.

Authors

Rodrigo Rubira Branco (BSDaemon)
jduck [email protected]

Platform

AIX

Architectures

ppc

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':


    msf > use exploit/aix/rpc_cmsd_opcode21
    msf exploit(rpc_cmsd_opcode21) > show targets
        ...targets...
    msf exploit(rpc_cmsd_opcode21) > set TARGET < target-id >
    msf exploit(rpc_cmsd_opcode21) > show options
        ...show and set options...
    msf exploit(rpc_cmsd_opcode21) > exploit
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