Nmap Development mailing list archives

Missing ssh hostkeys when running at scale


From: "Loone, Sami" <sloone () forcepoint com>
Date: Wed, 4 May 2022 20:37:07 +0000

Hello nmap devs,

I'm writing in hope that a oneliner pull request could get a bit of attention.

    https://github.com/nmap/nmap/pull/2338

In short, ssh hostkey scan script intermittently ends up missing some of the
expected keys when running at scale. The patch is to fix nmap ssh packet
encoding for multiprecision integers.

I've recently added a hacky shell script to the pull request to make it a bit
easier to reproduce the issue and validate the fix.

Kind Regards,

Sami Loone
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