Description
This module exploits a vulnerability in the handling of the FEATHEADER record by Microsoft Excel. Revisions of Office XP and later prior to the release of the MS09-067 bulletin are vulnerable.
When processing a FEATHEADER (Shared Feature) record, Microsoft used a data structure from the file to calculate a pointer offset without doing proper validation. Attacker supplied data is then used to calculate the location of an object, and in turn a virtual function call. This results in arbitrary code execution.
NOTE: On some versions of Office, the user will need to dismiss a warning dialog prior to the payload executing.
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/fileformat/ms09/067_excel_featheadermsf undefined(067_excel_featheader) > show actions ...actions...msf undefined(067_excel_featheader) > set ACTION < action-name >msf undefined(067_excel_featheader) > show options ...show and set options...msf undefined(067_excel_featheader) > runPrioritise with Active Threat Intelligence
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