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TITLE:
EDraw Office Viewer Component ActiveX Control Buffer Overflow

SECUNIA ADVISORY ID:
SA27017

VERIFY ADVISORY:
http://secunia.com/advisories/27017/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
EDraw Office Viewer Component 5.x
http://secunia.com/product/15903/

DESCRIPTION:
shinnai has discovered a vulnerability in EDraw Office Viewer
Component, which can be exploited by malicious people to compromise a
user's system.

The vulnerability is caused due to a boundary error in the
EDraw.OfficeViewer (officeviewer.ocx) ActiveX control when handling
arguments passed to the "FtpDownloadFile()" method. This can be
exploited to cause a stack-based buffer overflow by passing an overly
long (greater than 1024 characters) argument to the affected method.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 5.3.220.1. Other versions
may also be affected.

SOLUTION:
Set the kill-bit for the affected ActiveX control.

PROVIDED AND/OR DISCOVERED BY:
shinnai

ORIGINAL ADVISORY:
http://shinnai.altervista.org/exploits/txt/TXT_O5FvsIzILBHQr7QbK2kD.html

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