Frw: Re: Intel Pentium Bug

[Martin Svenningsson <emmess at bml dot se dot org>]

| Date: 	Sun, 9 Nov 1997 19:39:10 -0500
| From: Jason Parsons <root@SAFFRONCS.COM>
| Subject:      Re: Intel Pentium Bug
| To: BUGTRAQ@NETSPACE.ORG
| 
| Re the F0 0F C7 C8 Pentuim bug:
| 
| I just wanted ot repost this from the Linux-security list.  Thought it
| might be helpful to some here.  This was posted to Linux-security by Sam
| Trenholme <set@reality.samiam.org>.
| 
| #!/usr/bin/perl
| 
| # There is no known software fix to the F0 0F C7 C8 bug at this time
| 
| # usage: finddeath dir
| 
| # where dir is the directory you recursively look at all programs in
| # for instances of the F0 0F C7 C8 sequence
| 
| # This script will search for programs with this sequence, which will
| # help sysadmins take appropriate action against those running such
| # programs
| 
| # This script is written (but has not been tested) in Perl4, to
| # insure maximum compatibility
| 
| sub findit {
|   local($dir,$file,@files,$data) = @_;
| 
|   undef $/;
| 
|   if(!opendir(DIR,$dir)) {
|     print STDERR "Can not open $dir: $!\n";
|     return 0;
|     }
| 
|   @files=readdir(DIR);
| 
|   foreach $file (@files) {
|     if($file ne '.' && $file ne '..') {
|       if( -f "$dir/$file" && open(FILE,"< $dir/$file")) {
|         $data=<FILE>;
|         if($data =~ /\xf0\x0f\xc7\xc8/) {
|           print "$dir/$file contains F0 0F C7 C8\n";
|           }
|         } elsif( -d "$dir/$file") {
|          &findit("$dir/$file");
|         }
|       }
|     }
| 
|   }
| 
| $dir = shift || '/home';
| 
| &findit($dir);

_________________________________________
Martin Svenningsson - Helsingborg, SWEDEN
      http://www.tripnet.se/~emmess/     
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