module

NTP Daemon readvar Buffer Overflow

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Disclosed
2001-04-04
Created
2018-05-30

Description

This module exploits a stack based buffer overflow in the
ntpd and xntpd service. By sending an overly long 'readvar'
request it is possible to execute code remotely. As the stack
is corrupted, this module uses the Egghunter technique.

Author

aushack patrick@osisecurity.com.au

Platform

Linux

Architectures

x86

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