module

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

Disclosed
2009-10-07
Created
2018-05-30

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 jduck@metasploit.com

Platform

AIX

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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