module
Accellion FTA MPIPE2 Command Execution
| Disclosed | Created |
|---|---|
| 02/07/2011 | 05/30/2018 |
Disclosed
02/07/2011
Created
05/30/2018
Description
This module exploits a chain of vulnerabilities in the Accellion
File Transfer appliance. This appliance exposes a UDP service on
port 8812 that acts as a gateway to the internal communication bus.
This service uses Blowfish encryption for authentication, but the
appliance ships with two easy to guess default authentication keys.
This module abuses the known default encryption keys to inject a
message into the communication bus. In order to execute arbitrary
commands on the remote appliance, a message is injected into the bus
destined for the 'matchrep' service. This service exposes a function
named 'insert_plugin_meta_info' which is vulnerable to an input
validation flaw in a call to system(). This provides access to the
'soggycat' user account, which has sudo privileges to run the
primary admin tool as root. These two flaws are fixed in update
version FTA_8_0_562.
File Transfer appliance. This appliance exposes a UDP service on
port 8812 that acts as a gateway to the internal communication bus.
This service uses Blowfish encryption for authentication, but the
appliance ships with two easy to guess default authentication keys.
This module abuses the known default encryption keys to inject a
message into the communication bus. In order to execute arbitrary
commands on the remote appliance, a message is injected into the bus
destined for the 'matchrep' service. This service exposes a function
named 'insert_plugin_meta_info' which is vulnerable to an input
validation flaw in a call to system(). This provides access to the
'soggycat' user account, which has sudo privileges to run the
primary admin tool as root. These two flaws are fixed in update
version FTA_8_0_562.
Author
hdm
Platform
Unix
Architectures
cmd
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/linux/misc/accellion_fta_mpipe2
msf /(2) > show actions
...actions...
msf /(2) > set ACTION < action-name >
msf /(2) > show options
...show and set options...
msf /(2) > run
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