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Squid NTLM Authenticate Overflow

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Squid NTLM Authenticate Overflow

Disclosed
06/08/2004
Created
05/30/2018

Description

This is an exploit for Squid\'s NTLM authenticate overflow (libntlmssp.c). Due to improper bounds checking in ntlm_check_auth, it is possible to overflow the 'pass' variable on the stack with user controlled data of a user defined length. Props to iDEFENSE for the advisory.

Author(s)

  • skape <mmiller@hick.org>

Platform

Linux

Development

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

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