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Microsoft SRV2.SYS SMB2 Logoff Remote Kernel NULL Pointer Dereference

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Microsoft SRV2.SYS SMB2 Logoff Remote Kernel NULL Pointer Dereference

Created
05/30/2018

Description

This module triggers a NULL pointer dereference in the SRV2.SYS kernel driver when processing an SMB2 logoff request before a session has been correctly negotiated, resulting in a BSOD. Effecting Vista SP1/SP2 (And possibly Server 2008 SP1/SP2), the flaw was resolved with MS09-050.

Author(s)

  • sf <stephen_fewer@harmonysecurity.com>

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 auxiliary/dos/windows/smb/ms09_050_smb2_session_logoff
msf auxiliary(ms09_050_smb2_session_logoff) > show actions
    ...actions...
msf auxiliary(ms09_050_smb2_session_logoff) > set ACTION < action-name >
msf auxiliary(ms09_050_smb2_session_logoff) > show options
    ...show and set options...
msf auxiliary(ms09_050_smb2_session_logoff) > run

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