nanog mailing list archives

Re: CISCO 0-day exploits


From: Tom Hill <tom () ninjabadger net>
Date: Mon, 10 Feb 2020 18:54:02 +0000

On 10/02/2020 18:13, Scott Weeks wrote:
Just because you use cisco devices doesn't mean you have to use 
their proprietary protocols, such as EIGRP or CDP.  OSPF or LLDP
work just fine and interoperate with other vendors... :)


The CDPwn vulnerability covers similar vulnerabilities in LLDP, and does
indeed demonstrate that network segmentation (i.e. "dude it's just L2")
is not the last word in mitigating against said vulnerabilities.

You ought to all be far more concerned, IMO.

-- 
Tom


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