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Microsoft SRV.SYS Mailslot Write Corruption

This module triggers a kernel pool corruption bug in SRV.SYS. Each call to the mailslot write function results in a two byte return value being written into the response packet. The code which creates this packet fails to consider these two bytes in the allocation routine, resulting in a slow corruption of the kernel memory pool. These two bytes are almost always set to "\xff\xff" (a short integer with value of -1).

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Module Name



  • hdm <x [at]>



  • Attack



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 auxiliary/dos/windows/smb/ms06_035_mailslot msf auxiliary(ms06_035_mailslot) > show actions ...actions... msf auxiliary(ms06_035_mailslot) > set ACTION <action-name> msf auxiliary(ms06_035_mailslot) > show options and set options... msf auxiliary(ms06_035_mailslot) > run

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