oss-sec mailing list archives

Re: IPv6 and Route of Death


From: Barry Greene <bgreene () senki org>
Date: Wed, 17 May 2023 10:43:50 -0400


My recommendation - check your “Exploitable Port Filter” rules and include IPv6. Test your gear to insure it ‘can’ 
filter exertion headers.

Read through RFC 9098.

This is an doc on how major ISPs deploy port filtering in their networks. Some are applying RFC 9098.

https://www.senki.org/operators-security-toolkit/filtering-exploitable-ports-and-minimizing-risk-to-and-from-your-customers/


Sent from my iPhone

On May 17, 2023, at 10:23 AM, Jeffrey Walton <noloader () gmail com> wrote:
Hi Everyone,

This seems to have been dropped as a 0-day. I have not seen a CVE
assigned to it.

IPv6 and Route of Death:

 * https://www.reddit.com/r/linux/comments/13jfehf/linux_ipv6_route_of_death_0day_no_patch/
 * https://news.ycombinator.com/item?id=35950379

I _think_ this is the original writeup:

 * https://www.interruptlabs.co.uk//articles/linux-ipv6-route-of-death

Jeff

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