module

IBM Forms Viewer Unicode Buffer Overflow

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Disclosed
2013-12-05
Created
2018-05-30

Description

This module exploits a stack-based buffer overflow in IBM Forms Viewer. The vulnerability
is due to a dangerous usage of a strcpy-like function, and occurs while parsing malformed
XFDL files containing a long fontname value. This module has been tested successfully on IBM
Forms Viewer 4.0 on Windows XP SP3 and Windows 7 SP1.

Authors

rgod rgod@autistici.org
juan vazquez juan.vazquez@metasploit.com

Platform

Windows

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