[BBLISA] audit root/sudo users for RHEL 6 server

Lois Blood Bennett bblisa at loisbennett.com
Fri Apr 17 16:28:16 EDT 2020


I find it interesting that the auditors don't know all of this stuff or
have their own experts to tell you what they need.

On Fri, Apr 17, 2020 at 4:24 PM John Stoffel <john at stoffel.org> wrote:

> >>>>> "John" == John Malloy <jomalloy at gmail.com> writes:
>
> John> They just want to know who can login as route or sudo
>
> And so do you!  :-)
>
> John> These are both Oracle servers and they only have a route and Oracle
> account
>
> That you know of.  Auditing, while painful and not fun unless it's
> automated, is the solution here.
>
> John> There’s no additional users in the Sudo file
>
> It's not that easy, since you also need to look in /etc/sudoers.d/ and
> also need to parse out group membership and check the sudoers* files
> for group entries.  It's *not* trivial.
>
> But again, it's the auditing part that the auditors will be concerned
> about.  How to do validate your results?  How do you know that us
> powerful sysadmins aren't hacking the reports and ignoring certain
> accounts in the reports so that we can hide stuff?  How do you know
> someone *else* hasn't hidden a SUID script or program somewhere else
> on the system?
>
> It's a damn rathole honestly, and there's a cost vs benefit call you
> need to make.  Or more accurately, management needs to make.  100%
> security is when the server is off, unplugged from everything and
> buried in a hole.  In concrete.  :-)
>
> Be thankful you're not having to go through PCI compliance audits for
> handling credit cards, I've heard they're even worse!
>
> John
>
> John> On Fri, Apr 17, 2020 at 1:39 PM Dan Ritter <dsr at randomstring.org>
> wrote:
>
> John>     John Malloy wrote:
> >> What is the best way to provide proof to an audit person who needs to
> know
> >> all the root/sudo users for  a RHEL 6 server?
> >>
> >> (I am new at this company, and don't have access to all their resources)
> >>
> >> We can provide the /etc/passwd   &   /etc/sudoers file   (the auditor
> may
> >> not know how to read these files)
> >>
> >> We also have the RedHat  Identity Management  running here, but I am not
> >> familiar with this tool.
>
> John>     What question did they ask? It's important.
>
> John>     -dsr-
>
> John> --
>
> John> John Malloy
>
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>
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