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NetGear MA521 Wireless Driver Long Rates Overflow

This module exploits a buffer overflow in the NetGear MA521 wireless device driver under Windows XP. When a specific malformed frame (beacon or probe response) is received by the wireless interface under active scanning mode, the MA521nd5.SYS driver attempts to write to an attacker-controlled memory location. The vulnerability is triggered by an invalid supported rates information element. This DoS was tested with version 5.148.724.2003 of the MA521nd5.SYS driver and a NetGear MA521 Cardbus adapter. A remote code execution module is also in development. This module depends on the Lorcon2 library and only works on the Linux platform with a supported wireless card. Please see the Ruby Lorcon2 documentation (external/ruby-lorcon/README) for more information.


Rank

  • Normal

Authors

  • Laurent Butti < 0x9090 [at] gmail.com >

References


Development


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Usage Information

$ msfconsole

                ##                          ###           ##    ##
 ##  ##  #### ###### ####  #####   #####    ##    ####        ######
####### ##  ##  ##  ##         ## ##  ##    ##   ##  ##   ###   ##
####### ######  ##  #####   ####  ##  ##    ##   ##  ##   ##    ##
## # ##     ##  ##  ##  ## ##      #####    ##   ##  ##   ##    ##
##   ##  #### ###   #####   #####     ##   ####   ####   #### ###
                                      ##

msf > use auxiliary/dos/wifi/netgear_ma521_rates
msf auxiliary(netgear_ma521_rates) > run


Module Options

ADDR_DST The MAC address of the target system (default: FF:FF:FF:FF:FF:FF)
CHANNEL The initial channel (default: 11)
DRIVER The name of the wireless driver for lorcon (default: autodetect)
INTERFACE The name of the wireless interface (default: wlan0)
RUNTIME The number of seconds to run the attack (default: 60)
VERBOSE Enable detailed status messages
WORKSPACE Specify the workspace for this module