module

Sendmail SMTP Address prescan Memory Corruption

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Disclosed
Sep 17, 2003
Created
May 30, 2018

Description

This is a proof of concept denial of service module for Sendmail versions
8.12.8 and earlier. The vulnerability is within the prescan() method when
parsing SMTP headers. Due to the prescan function, only 0x5c and 0x00
bytes can be used, limiting the likelihood for arbitrary code execution.

Author

aushack [email protected]

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 auxiliary/dos/smtp/sendmail_prescan
    msf auxiliary(sendmail_prescan) > show actions
        ...actions...
    msf auxiliary(sendmail_prescan) > set ACTION < action-name >
    msf auxiliary(sendmail_prescan) > show options
        ...show and set options...
    msf auxiliary(sendmail_prescan) > run
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