# source: http://www.securityfocus.com/bid/548/info
#
# A vulnerability affects Microsoft's Jet 3.51 and 4.0 driver (MSJET35.DLL and MSJET40.DLL).
#
# This vulnerability could allow an attacker to create malicious '.xls' or '.doc' files incorporating VBA shell commands. When the file is opened, the shell commands contained in the file will execute on the target system. Command execution will occur in the context of the user that is opening the file.
#
# The file could be distributed via email, the web (including in hidden frames), or any number of methods.
#
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<TITLE>exshell jexploit</TITLE>
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<FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>This
is a benign demonstration of the Jet 3.51 vulnerability documented by J.C.G.
Cuartango.</FONT></FONT></FONT>
<BR><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>This
vulnerability affects users of Office95/97 with Jet database engine versions
around 3.5 (tested 3.51.1029.00)</FONT></FONT></FONT>
<P><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>On the bottom of
this page is an invisible, embedded .xls file that will do a few things
if you double-click it:</FONT></FONT></FONT>
<BR><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>1.
Get a welcome note from ftp.aol.com and write it to your hd as c:\ftptest.txt</FONT></FONT></FONT>
<BR><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>2.
Write a log file of the ftp session to your hd as c:\jexploit.log</FONT></FONT></FONT>
<BR><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>3.
Open regedit.exe on your computer.</FONT></FONT></FONT>
<P><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>There
are no macros, so there are no macro warnings. There are currently
(8/3/99) no AV products to stop this.</FONT></FONT></FONT>
<BR><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>This
could be changed slightly to format your hd without prompts or perform
several other devastating functions.</FONT></FONT></FONT>
<P><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>The
purpose of this demonstration is as follows:</FONT></FONT></FONT>
<BR><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>1.
To have some innocent fun.</FONT></FONT></FONT>
<BR><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>2.
To demonstrate how to have fun.</FONT></FONT></FONT>
<BR><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>3.
To show the vulnerabilities in yet another M$ product.</FONT></FONT></FONT>
<BR><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>4.
To alert the AV people that they need to work on this problem.</FONT></FONT></FONT>
<P><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>If you use IE
or see a broken link next to the arrow just click <A HREF="shell.xls"> here.</A>
Probably your browser can't view embedded xls.</FONT></FONT>
<BR><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>
The malicious potential of this exploit is great.</FONT></FONT></FONT>
<P><FONT COLOR="#993366"><FONT FACE="ElegaGarmnd BT"><FONT SIZE=+1>
Have a nice day!!! -ßrootFôrce</FONT></FONT></FONT>
<p> <p>
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<FONT COLOR="#993366"><FONT FACE="Felix Titling"><FONT SIZE=+1>this
is a test of the emergency broadcast system.</FONT></FONT></FONT>
<P><FONT FACE="Felix Titling"><FONT COLOR="#993366"><FONT SIZE=+1>click
this here thingy to test==></FONT></FONT></FONT>
<EMBED src="shell.xls" width=50 height=50></EMBED>
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