module

Linux BSD-derived Telnet Service Encryption Key ID Buffer Overflow

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Disclosed
2011-12-23
Created
2018-05-30

Description

This module exploits a buffer overflow in the encryption option handler of the
Linux BSD-derived telnet service (inetutils or krb5-telnet). Most Linux distributions
use NetKit-derived telnet daemons, so this flaw only applies to a small subset of
Linux systems running telnetd.

Authors

Jaime Penalba Estebanez jpenalbae@gmail.com
Brandon Perry bperry.volatile@gmail.com
Dan Rosenberg
hdm x@hdm.io

Platform

Linux

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/telnet/telnet_encrypt_keyid
    msf exploit(telnet_encrypt_keyid) > show targets
        ...targets...
    msf exploit(telnet_encrypt_keyid) > set TARGET < target-id >
    msf exploit(telnet_encrypt_keyid) > show options
        ...show and set options...
    msf exploit(telnet_encrypt_keyid) > exploit
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