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TITLE:
BarCodeWiz Barcode ActiveX Control Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA25209

VERIFY ADVISORY:
http://secunia.com/advisories/25209/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
BarCodeWiz Barcode ActiveX Control 2.x
http://secunia.com/product/14186/

DESCRIPTION:
shinnai has discovered a vulnerability in BarCodeWiz Barcode ActiveX
control, which can be exploited by malicious people to compromise a
user's system.

The vulnerability is caused due to a boundary error within the
BarcodeWiz module ActiveX control (BarcodeWiz.dll) when handling
arguments passed to the "Verify()" method. This can be exploited to
cause a stack-based buffer overflow via an overly long (greater than
1024 bytes) string passed as argument to the said method.

Successful exploitation allows execution of arbitrary code when a
user visits a malicious website.

The vulnerability is confirmed in version 2.52. 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://moaxb.blogspot.com/2007/05/moaxb-09-barcodewiz-activex-control-20.html

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