module

Pure-FTPd External Authentication Bash Environment Variable Code Injection (Shellshock)

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Disclosed
Sep 24, 2014
Created
May 30, 2018

Description

This module exploits the Shellshock vulnerability, a flaw in how the Bash shell
handles external environment variables. This module targets the Pure-FTPd FTP
server when it has been compiled with the --with-extauth flag and an external
Bash script is used for authentication. If the server is not set up this way,
the exploit will fail, even if the version of Bash in use is vulnerable.

Authors

Stephane Chazelas
Frank Denis
Spencer McIntyre

Platform

Linux

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/ftp/pureftpd_bash_env_exec
    msf exploit(pureftpd_bash_env_exec) > show targets
        ...targets...
    msf exploit(pureftpd_bash_env_exec) > set TARGET < target-id >
    msf exploit(pureftpd_bash_env_exec) > show options
        ...show and set options...
    msf exploit(pureftpd_bash_env_exec) > exploit
Title
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