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stupid cisco...

 
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roba
Angelina's Man
Angelina's Man


Joined: 14 Apr 2002
Posts: 3240
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Location: Prague, Czech Republic

PostPosted: Sun Jul 20, 2003 3:26 pm    Post subject: stupid cisco... Reply with quote

...and their buggy software. My internet connection was more than 12 hrs dead coz of newest cisco ios exploit Sad. Hac[/url]kers killed both my ISPs frontier routers and even now, 15hrs after attack, only one router is online.... stupid cisco, stupid hackers..... Evil or Very Mad

http://schema.mistral.cz/

exploit info
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LeeBe
UT Celebrity
UT Celebrity


Joined: 28 Apr 2002
Posts: 2170
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Location: North East England

PostPosted: Sun Jul 20, 2003 3:42 pm    Post subject: Reply with quote

wow Shocked

are they being hacked? or are they patching their routers?

Cisco released a router software fix last thursday? I would have thought they would have it patched up by now?

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roba
Angelina's Man
Angelina's Man


Joined: 14 Apr 2002
Posts: 3240
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Location: Prague, Czech Republic

PostPosted: Sun Jul 20, 2003 4:04 pm    Post subject: Reply with quote

No thats another exploit, Cisco had hmmm I think 3 exploits this week? They have installed all patches from Cisco but this exploit is new, it was released few hours after lastest cisco patch....

They said DoS attack killed both routers last night and they are still fixing it (only one router is working).
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Zed
UT Noobie
UT Noobie


Joined: 14 Apr 2002
Posts: 2099
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Location: Berkeley, CA

PostPosted: Sun Jul 20, 2003 6:04 pm    Post subject: Reply with quote

wow damn sucky! Shocked
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[BIG]-Iron_Maiden
Post more Noob


Joined: 12 Aug 2003
Posts: 16

Location: North Italy

PostPosted: Tue Aug 12, 2003 7:59 am    Post subject: Reply with quote

Only for info, probably the bug in question is this :

--------------------------------------------
Cisco routers and switches running Cisco IOS software and configured
to process Internet Protocol version 4 (IPv4) packets are vulnerable
to a Denial of Service (DoS) attack. Multiple IPv4 packets with
specific protocol fields sent directly to the device may cause the
input interface to stop processing traffic once the input queue is
full. No authentication is required to process the inbound packet.
Processing of IPv4 packets is enabled by default. Devices running
only IP version 6 (IPv6) are not affected
--------------------------------------------

it can be fixed by applying a packet filter in the ingress on the interface that block the protocol used for the attack

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