module

MagniComp SysInfo mcsiwrapper Privilege Escalation

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Disclosed
Sep 23, 2016
Created
Jun 14, 2018

Description

This module attempts to gain root privileges on systems running
MagniComp SysInfo versions prior to 10-H64.

The .mcsiwrapper suid executable allows loading a config file using the
'--configfile' argument. The 'ExecPath' config directive is used to set
the executable load path. This module abuses this functionality to set
the load path resulting in execution of arbitrary code as root.

This module has been tested successfully with SysInfo version
10-H63 on Fedora 20 x86_64, 10-H32 on Fedora 27 x86_64, 10-H10 on
Debian 8 x86_64, and 10-GA on Solaris 10u11 x86.

Authors

Daniel Lawson
Romain Trouve
bcoles bcoles@gmail.com

Platform

Linux,Solaris

Architectures

x86, x64

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/multi/local/magnicomp_sysinfo_mcsiwrapper_priv_esc
    msf exploit(magnicomp_sysinfo_mcsiwrapper_priv_esc) > show targets
        ...targets...
    msf exploit(magnicomp_sysinfo_mcsiwrapper_priv_esc) > set TARGET < target-id >
    msf exploit(magnicomp_sysinfo_mcsiwrapper_priv_esc) > show options
        ...show and set options...
    msf exploit(magnicomp_sysinfo_mcsiwrapper_priv_esc) > exploit
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