service version disclosure

Kevin Kofler kevin.kofler at chello.at
Sat Jan 7 14:40:33 UTC 2012


Reindl Harald wrote:
> if you have a big customer which hires a 3rd party auditor
> you are NOT in the poisiton to give such arguments or
> you can give them but you can not change ANYTHING in
> the fact that finally "fix it or shutdown the service"
> is what you have to do

They need to fire the auditor who doesn't understand security at all.

> if i need to know my version of sshd or any other service
> i make a "rpm -qa | grep package", if somebody else likes
> to know he has to tell the question as i have for foreign
> servers

What's going to stop the auditor from running rpm -qa? (I assume a competent 
auditor will request at least an unprivileged shell account to test for 
local privilege escalation vulnerabilities.)

        Kevin Kofler



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