bugtraq - SAPGui BI wadmxhtml.dll Tags Property Heap Corruption

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Date: Thu, 15 Jul 2010 12:15:07 -0400
From: "Elazar Broad" <elazar@...hmail.com>
To: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: SAPGui BI wadmxhtml.dll Tags Property Heap Corruption

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Who
- --------
SAP
http://www.sap.com

What
- --------
SAPGui BI component

File:  %PROGRAMFILES%\sap\business explorer\bi\wadmxhtml.dll
Version: 7100.1.400.8
ClassID: 30DD068D-5AD9-434C-AAAC-46ABE37194EB
RegKey Safe for Script: False
RegKey Safe for Init: False
Implements IObjectSafety: True
IDisp Safe:  Safe for untrusted: caller,data
IPersist Safe:  Safe for untrusted: caller,data
KillBitSet: False

How
- --------
Vulnerable Property: Tags

The Tags property can be manipulated to trigger heap corruption
resulting in the execution of arbitrary code.


Fix
- --------

SAP set the kill-bit for this control with Patch 17 for SAPGui.
Alternatively, you can set the kill-bit manually, please see
http://support.microsoft.com/kb/240797.

Credit
- --------
Elazar Broad
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