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BigAnt Server 2 SCH And DUPF Buffer Overflow

This exploits a stack buffer overflow in BigAnt Server 2.97 SP7. The vulnerability is due to the dangerous usage of strcpy while handling errors. This module uses a combination of SCH and DUPF request to trigger the vulnerability, and has been tested successfully against version 2.97 SP7 over Windows XP SP3 and Windows 2003 SP2.

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Module Name



  • Hamburgers Maccoy
  • juan vazquez <juan.vazquez [at]>



  • BigAnt Server 2.97 SP7 / Windows XP SP3
  • BigAnt Server 2.97 SP7 / Windows 2003 SP2


  • windows



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/windows/misc/bigant_server_sch_dupf_bof msf exploit(bigant_server_sch_dupf_bof) > show targets ...targets... msf exploit(bigant_server_sch_dupf_bof) > set TARGET <target-id> msf exploit(bigant_server_sch_dupf_bof) > show options and set options... msf exploit(bigant_server_sch_dupf_bof) > exploit

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